Module 15.1-15.3 Flashcard

Front

What is the value of x if x = 51?

Back

51

Front

What is the measure of angle b if it is 36°?

Back

36°

Front

What is the measure of ONE interior angle in a regular pentagon?

Back

108°

Front

If two sides of a triangle are congruent, what can be said about the angles opposite those sides?

Back

The angles opposite those sides are congruent.

Front

What is the SUM of the angle measures in a hexagon?

Back

720°

Front

What is the formula to calculate the sum of interior angles in a polygon?

Back

(n-2) × 180°, where n is the number of sides.

Front

How many sides does a pentagon have?

Back

5 sides.

Front

What is the measure of each interior angle in a regular hexagon?

Back

120°.

Front

What do you call a triangle with two congruent sides?

Back

Isosceles triangle.

Front

What is the measure of the exterior angle of a regular polygon?

Back

360° divided by the number of sides.