Exploring Perimeter and Area

Front

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

Back

Perimeter = 4 x side length = 4 x 4 = 16 cm.

Front

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

Back

Area = side length x side length = 4 x 4 = 16 cm².

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2 x (length + width).

Front

What is the formula for the area of a rectangle?

Back

Area = length x width.

Front

What is the perimeter of a rectangle with length 8 cm and width 2 cm?

Back

Perimeter = 2 x (8 + 2) = 20 cm.

Front

What is the area of a rectangle with length 8 cm and width 2 cm?

Back

Area = 8 x 2 = 16 cm².

Front

What is the perimeter of a triangle with sides 3 cm, 4 cm, and 5 cm?

Back

Perimeter = 3 + 4 + 5 = 12 cm.

Front

What is the area of a triangle with base 4 cm and height 3 cm?

Back

Area = 1/2 x base x height = 1/2 x 4 x 3 = 6 cm².

Front

What is the formula for the area of a circle?

Back

Area = π x radius².

Front

What is the perimeter of a circle called?

Back

Circumference.