Area and Perimeter 2

Front

What is the definition of Area?

Back

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

Front

What is the formula to calculate the area of a rectangle?

Back

Area = length × width.

Front

What is the definition of Perimeter?

Back

Perimeter is the total distance around the outside of a shape.

Front

What is the formula to 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

Area = 10 feet × 5 feet = 50 square feet.

Front

If a rectangle has a length of 12 inches and a width of 4 inches, what is its perimeter?

Back

Perimeter = 2 × (12 inches + 4 inches) = 32 inches.

Front

What is the area of a square with a side length of 6 feet?

Back

Area = 6 feet × 6 feet = 36 square feet.

Front

How do you find the area of a triangle?

Back

Area = 1/2 × base × height.

Front

What is the area of a triangle with a base of 8 units and a height of 5 units?

Back

Area = 1/2 × 8 units × 5 units = 20 square units.

Front

If the area of a rectangle is 36 square feet and the length is 9 feet, what is the width?

Back

Width = Area ÷ Length = 36 square feet ÷ 9 feet = 4 feet.