Area and Perimeter

Front

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

Back

Perimeter = 2(length + width)

Front

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

Back

Perimeter = 2(10 cm + 5 cm) = 30 cm

Front

What is the formula for calculating the area of a rectangle?

Back

Area = length × width

Front

If a rectangle has a length of 8 m and a width of 3 m, what is its area?

Back

Area = 8 m × 3 m = 24 m²

Front

What is the formula for calculating the perimeter of a square?

Back

Perimeter = 4 × side length

Front

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

Back

Perimeter = 4 × 6 cm = 24 cm

Front

What is the formula for calculating the area of a square?

Back

Area = side length × side length

Front

If a square has a side length of 4 m, what is its area?

Back

Area = 4 m × 4 m = 16 m²

Front

What is the formula for calculating 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 cm × 5 cm = 25 cm²