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 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 x width.

Front

If the area of a rectangle is 63 square feet and the width is 7 feet, what is the length?

Back

Length = 63 ÷ 7 = 9 feet.

Front

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

Back

Area = side x side = 6 cm x 6 cm = 36 cm².

Front

How do you find the perimeter of a square?

Back

Perimeter = 4 x side length.

Front

If the perimeter of a rectangle is 40 inches and the length is 15 inches, what is the width?

Back

Width = (Perimeter ÷ 2) - Length = (40 ÷ 2) - 15 = 5 inches.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 x base x height.

Front

If a composite figure is made of a rectangle and a triangle, how do you find the total area?

Back

Total Area = Area of rectangle + Area of triangle.

Front

What is the area of a figure with a length of 5 units and a width of 3 units?

Back

Area = 5 x 3 = 15 square units.