Area & Perimeter Flashcard

Front

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

Back

Perimeter (P) = 2 × (length + width)

Front

If a rectangle has a length of 10 inches and a width of 5 inches, what is its perimeter?

Back

P = 2 × (10 in + 5 in) = 30 in.

Front

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

Back

Area (A) = length × width

Front

If a rectangle has a length of 8 feet and a width of 4 feet, what is its area?

Back

A = 8 ft × 4 ft = 32 ft²

Front

What is the perimeter of a rectangle with sides 7 in. and 17 in.?

Back

P = 2 × (7 in + 17 in) = 48 in.

Front

What is the area of a rectangle that is 13 feet wide and 16 feet long?

Back

A = 13 ft × 16 ft = 208 ft²

Front

What is the perimeter of a Slip ‘N Slide that is 6 feet wide and 36 feet long?

Back

P = 2 × (6 ft + 36 ft) = 84 ft.

Front

What is the estimated area of a swimming pool that is 34 feet long and 22 feet wide?

Back

A = 34 ft × 22 ft = 748 ft² (estimated as 600 ft² for simplicity).

Front

If a rectangle has a perimeter of 74 inches, and one side is 10 inches, what is the width?

Back

Width = (74 in - 2 × 10 in) / 2 = 27 in.

Front

What does 'perimeter' mean?

Back

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