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

Multiply the length by the width (A = l x w).

Front

If a rectangle has a length of 5 feet and a width of 3 feet, what is its area?

Back

15 square feet (5 x 3 = 15).

Front

What is the formula for finding the perimeter of a rectangle?

Back

P = 2(l + w), where l is length and w is width.

Front

If a rectangle has a length of 10 feet and a width of 4 feet, what is its perimeter?

Back

28 feet (P = 2(10 + 4) = 28).

Front

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

Back

16 square centimeters (A = side x side = 4 x 4).

Front

How do you find the perimeter of a square?

Back

P = 4 x side length.

Front

If a square has a side length of 6 inches, what is its perimeter?

Back

24 inches (P = 4 x 6 = 24).

Front

What is the area of a triangle?

Back

Area = 1/2 x base x height.