Area and Perimeter

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height.

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2 × π × radius.

Front

What is the difference between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around a shape.

Front

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

Back

Area = 5 cm × 3 cm = 15 sq. cm.

Front

If a triangle has a base of 6 m and a height of 4 m, what is its area?

Back

Area = 1/2 × 6 m × 4 m = 12 sq. m.

Front

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

Back

Perimeter = 4 × 4 cm = 16 cm.

Front

If a circle has a radius of 4 ft, what is its circumference?

Back

Circumference = 2 × π × 4 ft ≈ 25.12 ft.