Problem 1SP: Solve ABC with B=70 , C=48, and b=15cm . Round the lengths of the sides to 1 decimal place. Problem 2SP: Solve ABC with A=33 , B=112 , and c=16 . Round the lengths of the sides to 1 decimal place. Problem 3SP: Solve ABC with A=49 , a=32 , and b=28 . Round the measures of the unknown angles and side to 1... Problem 4SP: Solve ABC with B=31 , b=3 , a=6.2 . Round the measures of the unknown angles and side to 1 decimal... Problem 5SP: Solve ABC with A=40 , a=22 , and b=25 . Round the measures of the unknown angles and the third side... Problem 6SP: A triangle has sides of 12m and 6m , and the angle between them is 76 . Find the area of the... Problem 7SP: To measures the maximum height of the water in a fountain, a trigonometry student measures the angle... Problem 8SP: An 80-ft flagpole is located at the top of a hill. An observer 220ft down the hill measures the... Problem 1PE: To apply the law of sines, an angle must be given and a side (opposite/adjacent) the given angle... Problem 2PE: In which cases can the law of sines be used to solve a triangle? Choose from ASA,SAA,SSA,SSS,SAS . Problem 3PE: Suppose that ABC is a triangle with sides of length a,b , and c opposite angles A,B , and C ,... Problem 4PE: Suppose that the lengths of two sides a and b in a triangle are known along with the measure of the... Problem 5PE: Suppose that we know the measure of angle A and the lengths of sides a and b of a triangle. If ab ,... Problem 6PE: Suppose that we know the measure of angle A and the lengths of sides a and b of a triangle. If... Problem 7PE: For Exercises 7-12, solve the triangle. For the sides, give an expression for the exact value of the... Problem 8PE: For Exercises 7-12, solve the triangle. For the sides, give an expression for the exact value of the... Problem 9PE: For Exercises 7-12, solve the triangle. For the sides, give an expression for the exact value of the... Problem 10PE: For Exercises 7-12, solve the triangle. For the sides, give an expression for the exact value of the... Problem 11PE: For Exercises 7-12, solve the triangle. For the sides, give an expression for the exact value of the... Problem 12PE: For Exercises 7-12, solve the triangle. For the sides, give an expression for the exact value of the... Problem 13PE: For Exercises 13-20, solve ABC subject to the given conditions. Round the lengths of sides and... Problem 14PE: For Exercises 13-20, solve ABC subject to the given conditions. Round the lengths of sides and... Problem 15PE: For Exercises 13-20, solve ABC subject to the given conditions. Round the lengths of sides and... Problem 16PE: For Exercises 13-20, solve ABC subject to the given conditions. Round the lengths of sides and... Problem 17PE: For Exercises 13-20, solve ABC subject to the given conditions. Round the lengths of sides and... Problem 18PE Problem 19PE Problem 20PE: For Exercises 13-20, solve ABC subject to the given conditions. Round the lengths of sides and... Problem 21PE: For Exercises 21-28, information is given about ABC . Determine if the information gives one... Problem 22PE: For Exercises 21-28, information is given about ABC . Determine if the information gives one... Problem 23PE: For Exercises 21-28, information is given about ABC . Determine if the information gives one... Problem 24PE: For Exercises 21-28, information is given about ABC . Determine if the information gives one... Problem 25PE: For Exercises 21-28, information is given about ABC . Determine if the information gives one... Problem 26PE: For Exercises 21-28, information is given about ABC . Determine if the information gives one... Problem 27PE: For Exercises 21-28, information is given about ABC . Determine if the information gives one... Problem 28PE: For Exercises 21-28, information is given about ABC . Determine if the information gives one... Problem 29PE: For Exercises 29-34, find the area of a triangle with the given measurements. Round to 1 decimal... Problem 30PE: For Exercises 29-34, find the area of a triangle with the given measurements. Round to 1 decimal... Problem 31PE: For Exercises 29-34, find the area of a triangle with the given measurements. Round to 1 decimal... Problem 32PE: For Exercises 29-34, find the area of a triangle with the given measurements. Round to 1 decimal... Problem 33PE: For Exercises 29-34, find the area of a triangle with the given measurements. Round to 1 decimal... Problem 34PE: For Exercises 29-34, find the area of a triangle with the given measurements. Round to 1 decimal... Problem 35PE: The area in the Atlantic Ocean known as the Bermuda Triangle is defined by an imaginary triangle... Problem 36PE: The triangular face of a gabled roof measures 33.8ft on each sloping side with an angle of 134.8 at... Problem 37PE: Two fire lookout towers at points A and B are 2mi apart. Find the distances from points A and B to a... Problem 38PE: A helicopter is on a path directly overhead line AB when it is simultaneously observed from... Problem 39PE: A surveyor wants to measure the distance across a lake from a point A due north to a point B . He... Problem 40PE Problem 41PE: From a point along a straight road, the angle of elevation to the top of a hill is 33 . From 300ft... Problem 42PE: An observer on the ground sites a plane at an angle of elevation of 41.2 . At the same time, a... Problem 43PE: A wire is fastened to a point T on a tree and to point A located 8.8ft from the base of the tree... Problem 44PE: The Leaning Tower of Suurhusen is a medieval steeple in Suurhasen, Germany. The tower leans at an... Problem 45PE Problem 46PE: A mountain cabin is built on the side of a hill with a porch extending over a portion of the... Problem 47PE: Two residential buildings are to be constructed with a grassy recreational area between them. The... Problem 48PE: A hiker wants to estimate the height of a mountain before attempting a climb to the top. Her first... Problem 49PE: A surveyor fixes a 420-ft baseline between points A and B , where B is due east of A . The bearing... Problem 50PE: A surveyor fixes a 200-ft baseline between points A and B , where B is due east of A The bearing... Problem 51PE: The connector rod from the piston to the crankshaft in a certain 2.0-L engine is 6.4in . The radius... Problem 52PE: Two planets follow a circular orbit around a central star in the same plane. The distance between... Problem 53PE: For Exercises 53-66, solve ABC . Round the lengths of sides and measures of the angles to 1 decimal... Problem 54PE: For Exercises 53-66, solve ABC . Round the lengths of sides and measures of the angles to 1 decimal... Problem 55PE: For Exercises 53-66, solve ABC . Round the lengths of sides and measures of the angles to 1 decimal... Problem 56PE: For Exercises 53-66, solve ABC . Round the lengths of sides and measures of the angles to 1 decimal... Problem 57PE: For Exercises 53-66, solve ABC . Round the lengths of sides and measures of the angles to 1 decimal... Problem 58PE: For Exercises 53-66, solve ABC . Round the lengths of sides and measures of the angles to 1 decimal... Problem 59PE: For Exercises 53-66, solve ABC . Round the lengths of sides and measures of the angles to 1 decimal... Problem 60PE: For Exercises 53-66, solve ABC . Round the lengths of sides and measures of the angles to 1 decimal... Problem 61PE: For Exercises 53-66, solve ABC . Round the lengths of sides and measures of the angles to 1 decimal... Problem 62PE: For Exercises 53-66, solve ABC . Round the lengths of sides and measures of the angles to 1 decimal... Problem 63PE: For Exercises 53-66, solve ABC . Round the lengths of sides and measures of the angles to 1 decimal... Problem 64PE: For Exercises 53-66, solve ABC . Round the lengths of sides and measures of the angles to 1 decimal... Problem 65PE: For Exercises 53-66, solve ABC . Round the lengths of sides and measures of the angles to 1 decimal... Problem 66PE: For Exercises 53-66, solve ABC . Round the lengths of sides and measures of the angles to 1 decimal... Problem 67PE: After a hurricane, a homeowner examines trees on his property for damage. He thinks a 20-ft palm... Problem 68PE: A company manufactures pennants in the shape of an isosceles triangle. The long sides of each... Problem 69PE: Consider a sector of a circle of radius 6cm with central angle 112. a. Find the area of the... Problem 70PE: Refer to the figure. a. Write expressions for the exact values of a,b , and c . b. Approximate the... Problem 71PE: Refer to the figure. a. Write expressions for the exact values of a,b , and c . b. Approximate the... Problem 72PE: Given ABC with sides of lengths a,b , and c opposite angles A,B , and C , respectively, use the law... Problem 73PE Problem 74PE: Given SSA (the ambiguous case), outline the four possible scenarios regarding the number of... Problem 75PE: List various methods to confirm your answers after solving a triangle using the law of sines. Problem 76PE: A triangle ABC has sides a,b , and c across from angles A,B , and C , respectively. Explain the... Problem 77PE: From the figure, show that sin45=23sin95 . Problem 78PE: Use the law of sines in the form sinAsinB=ab 1 to prove the law of tangents: aba+b=tanAB2tanA+B2 . Problem 79PE: Use the relationships ac=sinAsinC and bc=sinBsinA from the law the for law this of sines to show... Problem 80PE: Given ABC circumscribed by a circle, show that the diameter d of the circle is d=bsinB radii from... format_list_bulleted