area and perimeter

Front

What is area?

Back

Area is the amount of space inside a shape, measured in square units.

Front

What is perimeter?

Back

Perimeter is the total distance around a shape, calculated by adding the lengths of all its sides.

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

If a rectangle has a length of 10 feet and a width of 5 feet, what is its area?

Back

50 square feet.

Front

If a rectangle has an area of 30 square centimeters and a width of 5 centimeters, what is the length?

Back

6 centimeters.

Front

What is the area of a square with a side length of 4 cm?

Back

16 square centimeters.

Front

If the perimeter of a rectangle is 20 inches and the length is 6 inches, what is the width?

Back

4 inches.

Front

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

Back

Area = 1/2 × base × height.

Front

If a triangle has a base of 10 cm and a height of 5 cm, what is its area?

Back

25 square centimeters.