Area of Composite Shapes

Front

What is the diameter of a circle?

Back

The diameter is the distance across the circle through its center, equal to twice the radius.

Front

If the diameter of a circle is 50 yards, what is the radius?

Back

The radius is 25 yards.

Front

How do you calculate the area of a circle?

Back

Area = π × radius².

Front

What is the area of a circle with a radius of 7 yards?

Back

Area = π × 7² ≈ 153.86 square yards.

Front

What is the formula for the perimeter of a square?

Back

Perimeter = 4 × side length.

Front

What is the perimeter of a square with a side length of 8 cm?

Back

Perimeter = 4 × 8 = 32 cm.

Front

What is the formula for the area of a square?

Back

Area = side length × side length.

Front

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

Back

Area = 4 × 4 = 16 cm².

Front

What is a parallelogram?

Back

A parallelogram is a four-sided figure (quadrilateral) with opposite sides that are parallel and equal in length.

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height.