1. What is the length of the marked side? ( 14m 15.om 8.5m .Sem 11em Ikm 2. A girl 1.75m tall, standing on the roof of BHS principal's office, sees a car some distance away. The angle of elevation of the girl's head from the car is 36°. If the car is 25m away from the base of the building, calculate the height of the building. 3. By drawing a diagram, determine the bearing on which a yacht sails from harbor if it finishes 40km west and 50km north.

Q: 28. Nathan is on the observation deck of the Space Needle in Seattle, Washington. He is looking down…

A: Nathan is on the observing deck of the space needle in Seattle, Washington. He is looking down at an…

Q: On the first line, write the complement of the angle. On the second line write the supplement. 27.…

A: To find the complement and supplement angles of the given angles

Q: . A hiker (1.7 m tall) measures her distance to the foot of a Sequoia tree to be 25 meters. She also…

A: In our question given that a hilker measure her distance to be 25 meter. She also measures the angle…

Q: 5. A building 350 feet tall casts a 55-foot-long shadow. If you look down from the top of the…

A:

Q: 3. While chalking the lines on a little league baseball field, Tory determined that the distance…

A: Solution: 3.  According to the given question distance between each bases is 45 feet

Q: 4. A fire hose stretches from the ground to a window with an angle of elevation measuring 45 degree.…

A: Draw a schematic diagram of give question.

Q: Yandel will place a ramp over a set of stairs at the backyard entrance so that one end is 7 feet off…

A: one end of the ramp is 7 feet off the groundother end is horizontal distance of 40 feet awayeach…

Q: 15. You are standing 48 horizontally from the base of a vertical wall 17' tall. What is the angle of…

A:

Q: 34. Kristi is designing a banner shaped like a right triangle. The legs measure 2.5 ft and 3 ft.…

A: topic - trigonometric ratios

Q: 11. A Rocket its launching from Cape Canaveral. From the launch bay to the observation deck it's a…

A: To draw the given situation and to find the height of rocket at that time

Q: . Jaime is preparing to paint the trim around a window that is 12 fet off the grour is going to use…

A: Solution:

Q: 11. A driveway is 11.4 meters long and has an angle of elevation of 20°. How high does the driveway…

A:

Q: 2. A broadcast antenna is located at the top of a building 1000 feet tall. From a point on the same…

A:

Q: Yanek builds custom decks. The stairs for a customer have a riser of 180 mm and tread of 310 mm.…

A: It is given that the stairs have a riser of 180 mm and tread of 310 mm.We know, angle of elevation…

Q: A dead tree is very close to your house and you would like to estimate the tree's height to see if…

A: A dead tree is very close to your house .If the height of the tree is greater than the length of the…

Q: An ant looks up at a UFO at an angle of elevation of 23 degrees. The ant noticed that the shadow of…

A:

Q: 3. You set up a makeshift greenhouse by leaning a square pane of glass against your house. The glass…

A: Given : Glass is 4.5 ft long and makes an angle of 30° with the ground.

Q: 8. CN Tower The highest free-standing tower in North Americais the CN Tower in Toronto, Canada. From…

A: We draw a figure that represents the situation as

Q: 6. A kite flying 40 feet in the air (perpendicular to the ground) is attached to a string held on…

A:

Q: You are standing on a boat that is 150 feet from a cliff. If you look up at a 35 degree angle you…

A: Solution: The objective is to find the height of the cliff

Q: How tall is a bridge if a 6-foot tall person standing 100 feet away can see the top of the bridge at…

A:

Q: You have planted a tall tree in your yard that needs guy wires to keep it stable until its roots…

A:

Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.