Area of Basic Shapes Review

Front

What is the formula for the area of a rectangle?

Back

Area = 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 circle?

Back

Area = π × radius²

Front

What is the formula for the area of a semicircle?

Back

Area = 1/2 × π × radius²

Front

If a rectangle has a length of 10 cm and a width of 4 cm, what is its area?

Back

40 cm²

Front

If a triangle has a base of 8 cm and a height of 5 cm, what is its area?

Back

20 cm²

Front

If a circle has a radius of 7 inches, what is its area?

Back

153.94 square inches (using π ≈ 3.14)

Front

If a semicircle has a diameter of 12 inches, what is its area?

Back

113.10 square inches (using π ≈ 3.14)

Front

What is the area of a square with a side length of 6 cm?

Back

36 cm²

Front

If a rectangle has an area of 50 cm² and a width of 5 cm, what is its length?

Back

10 cm