Area and Perimeter

Front

What is the perimeter of a rectangle?

Back

The perimeter of a rectangle is calculated by the formula: P = 2(length + width).

Front

What is the formula for the area of a rectangle?

Back

The area of a rectangle is calculated by the formula: A = length × width.

Front

What is the perimeter of a square?

Back

The perimeter of a square is calculated by the formula: P = 4 × side.

Front

What is the formula for the area of a square?

Back

The area of a square is calculated by the formula: A = side × side.

Front

What is the formula for the area of a triangle?

Back

The area of a triangle is calculated by the formula: A = 1/2 × base × height.

Front

What is the perimeter of a triangle?

Back

The perimeter of a triangle is calculated by adding the lengths of all three sides: P = side1 + side2 + side3.

Front

What is the formula for the area of a trapezoid?

Back

The area of a trapezoid is calculated by the formula: A = 1/2 × (base1 + base2) × height.

Front

How do you find the perimeter of a circle?

Back

The perimeter (circumference) of a circle is calculated by the formula: C = 2πr, where r is the radius.

Front

What is the area of a circle?

Back

The area of a circle is calculated by the formula: A = πr², where r is the radius.

Front

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

Back

The area is 15 cm² (A = 5 cm × 3 cm).