Area and Perimeter

Front

What is the definition of area?

Back

The space inside an object.

Front

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

Back

Area = length × width.

Front

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

Back

Perimeter = 2 × (length + width).

Front

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

Back

Area = 1/2 × base × height.

Front

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

Back

Area = 1/2 × (base1 + base2) × height.

Front

If a rectangle has a length of 10 feet and a width of 5 feet, what is its area?

Back

50 square feet.

Front

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

Back

30 feet.

Front

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

Back

16 cm².

Front

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

Back

16 cm.

Front

How do you find the area of a circle?

Back

Area = π × radius².