Geometry Review (7th)

Front

What is the formula for finding the area of a rectangle?

Back

Area = length × width.

Front

What is the formula for finding the area of a triangle?

Back

Area = 1/2 × base × height.

Front

What is the formula for finding the area of a circle?

Back

Area = π × radius².

Front

What is the difference between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around a shape.

Front

What does 'perimeter' mean?

Back

The distance around a two-dimensional shape.

Front

What does 'circumference' mean?

Back

The distance around a circle.

Front

What is the formula for finding the circumference of a circle?

Back

Circumference = 2 × π × radius.

Front

What is the diameter of a circle?

Back

The distance across the circle through its center, equal to twice the radius.

Front

What is the radius of a circle?

Back

The distance from the center of the circle to any point on its edge.

Front

How do you find the area of a composite figure?

Back

Divide the figure into simpler shapes, find the area of each, and then sum them.