If the sum of the measures of the interior angles of a polygon is 1980°, how many sides does the polygon have?

Q: What is the sum of the interior angles of the polygon pictured below?

A: Interior angel of a polygon is given by : θ = (n-2)×180°

Q: Juan said that he drew a triangle with angles of measure 118°, 30°, and y°. He said that by choosing…

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Q: A parallelogram had a side length of 14 and a diagonal of 7 the angle between them is 58 degrees.…

A: Let ABCD be the parallelogram which side AB has a length 14 and a diagonal Ac has the length 7 and…

Q: if the hypotenuse of a 45, -45 and -90 degree triangle is 13, what is the length of one of the legs

A: Here the given right angle triangle having angles 45, 45, 90 Since the two angles of the given…

Q: triangle has sides of length 10 cm and 15 cm. The parimeter of the triangle must be between what two…

A: We have to find perimeter

Q: Find the smallest angle (in degrees) of a triangle whose sides have lengths of 2√2, 2√3, and √6+√2.

A: We have to find the smallest angle.

Q: 1/Giaph the Polar fuunction |.

A: According to question, r2 + 4 r cos θ - 8 r sin θ = -4

Q: The sum of the angle measures of a polygon with n sides is 1440. Find n. n=

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Q: Ellen is drawing two polygons. One of the polygons has three more angles than the other. What shapes…

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Q: In A RST, which side is the longest? Remember the sum of the angles in a triangle must equal 180°.

A: We are given the following triangle. Now, ∠T=180°-57°-61°=62°. Since ∠T>∠S>∠R⇒RS>RT>TS.…

Q: length

A: In a right angled Triangle, Cos X = Base/ Hypotenuse Sin X  = Perpendicular/Hypotenuse

Q: A geodesic dome is composed of two different types of triangular panels. One of these is an…

A: To find the measure of angles of the isosceles triangle.

Q: A portion of a regular polygon is shown above. 180

A: Each interior angle of polygon =180(n-2)/n n is the number of sides.

Q: Yolanda purchased a rug shaped like a regular octagon for her bedroom. Find the measure of one…

A: We know that the interior angle of a polygon = sum of interior angles ÷ number of sides.

Q: The sum of the angle measures of a polygon with n sides is 2880. Find n.

A: