Geometric and Spatial Reasoning Review

Front

What is the formula for the area of a circle?

Back

Area = πr², where r is the radius of the circle.

Front

What is a straight angle?

Back

An angle that measures exactly 180 degrees.

Front

How do you calculate the area of a triangle?

Back

Area = 1/2 × base × height.

Front

What is the difference between diameter and radius?

Back

Diameter is twice the radius; it is the distance across the circle through the center.

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Front

What is the area of a rectangle?

Back

Area = length × width.

Front

What is an acute angle?

Back

An angle that measures less than 90 degrees.

Front

What is an obtuse angle?

Back

An angle that measures more than 90 degrees but less than 180 degrees.

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height.