Area and Perimeter Review

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

How do you calculate 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

How do you find the perimeter of a triangle?

Back

Perimeter = sum of the lengths of all three sides.

Front

What is the formula for the area of a circle?

Back

Area = π × radius².

Front

How do you calculate the circumference of a circle?

Back

Circumference = 2 × π × radius.

Front

What is the relationship between the area and perimeter of a square?

Back

Area = side²; Perimeter = 4 × side.

Front

If the perimeter of a square is 40 cm, what is the length of each side?

Back

Each side = 10 cm.

Front

What is the area of a square with a side length of 5 cm?

Back

Area = 5 cm × 5 cm = 25 cm².

Front

How do you find the area of a shaded region?

Back

Area of shaded region = Total area - Area of unshaded region.