Area and Perimeter of Composite Shapes

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

Front

What is the formula for the perimeter of a triangle?

Back

Perimeter = side1 + side2 + side3.

Front

What is a composite shape?

Back

A shape made up of two or more simple shapes.

Front

How do you find the area of a composite shape?

Back

Split it into familiar shapes, calculate each area, and add them together.

Front

How do you find the perimeter of a composite shape?

Back

Add the lengths of all the outer sides.

Front

What is the area of a square?

Back

Area = side × side.

Front

What is the perimeter of a square?

Back

Perimeter = 4 × side.

Front

What is the area of a circle?

Back

Area = π × radius².