Test 5-2 Review

Front

What is the angle sum of the interior angles of a polygon with n sides?

Back

(n - 2) × 180°

Front

What is the formula for the area of a circle?

Back

A = πr²

Front

Two objects that are the same shape but not the same size are called what?

Back

Similar

Front

What is the sum of the angle measures in a hexagon (6 sides)?

Back

720°

Front

What is the area of a circle with a radius of 9?

Back

254.34

Front

How do you calculate the angle sum of a polygon with 5 sides?

Back

(5 - 2) × 180° = 540°

Front

What is the difference between congruent and similar shapes?

Back

Congruent shapes are the same size and shape; similar shapes have the same shape but different sizes.

Front

What is the area of a circle with a radius of 7?

Back

A = π(7)² ≈ 153.94

Front

What is the angle sum of a triangle?

Back

180°

Front

If a polygon has 8 sides, what is the angle sum?

Back

(8 - 2) × 180° = 1080°