Area and Perimeter

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 8 inches and a width of 5 inches, what is its perimeter?

Back

Perimeter = 2 × (8 + 5) = 26 inches

Front

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

Back

Area = length × width

Front

If a rectangle has a length of 6 inches and a width of 4 inches, what is its area?

Back

Area = 6 × 4 = 24 square inches

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 is the perimeter of a triangle with sides measuring 5 cm, 7 cm, and 9 cm?

Back

Perimeter = 5 + 7 + 9 = 21 cm

Front

How do you find 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

Area = 1/2 × 10 × 5 = 25 square cm

Front

What is the perimeter of a square with each side measuring 4 inches?

Back

Perimeter = 4 × 4 = 16 inches

Front

What is the area of a square with each side measuring 3 inches?

Back

Area = 3 × 3 = 9 square inches