Area and Perimeter of Squares, Rectangles, and Triangles

Front

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

Back

Area = length × width

Front

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

Back

Perimeter = 2 × (length + width)

Front

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

Back

Area = side × side or Area = side²

Front

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

Back

Perimeter = 4 × side

Front

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

Back

Area = (base × height) / 2

Front

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

Back

Perimeter = side1 + side2 + side3

Front

If a rectangle has a length of 5 cm and a width of 4 cm, what is its area?

Back

Area = 5 cm × 4 cm = 20 cm²

Front

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

Back

Perimeter = 4 × 6 in = 24 in

Front

If a triangle has a base of 10 cm and a height of 5 cm, what is its area?

Back

Area = (10 cm × 5 cm) / 2 = 25 cm²

Front

What is the area of a rectangle with a length of 8 ft and a width of 3 ft?

Back

Area = 8 ft × 3 ft = 24 ft²