Geometry Review

Front

What is the formula for the circumference of a circle?

Back

Circumference = π × diameter

Front

What is the value of π (pi) approximately?

Back

π ≈ 3.14

Front

What are supplementary angles?

Back

Angles that add up to 180°

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

If the area of a rectangle is 72 sq units and one side is 9 units, what is the other side?

Back

8 units

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height

Front

If the base of a triangle is 5 units and the height is 4 units, what is the area?

Back

10 units²

Front

What is the definition of a right angle?

Back

An angle that measures 90°.

Front

What is the sum of angles in a triangle?

Back

180°

Front

What is the definition of parallel lines?

Back

Lines that never intersect and are always the same distance apart.