Area Formula Practice

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

Find the area of a rectangle with length 4 in and width 3 in.

Back

Area = 4 in × 3 in = 12 in²

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height

Front

Find the area of a triangle with base 5 cm and height 10 cm.

Back

Area = 1/2 × 5 cm × 10 cm = 25 cm²

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height

Front

Find the area of a parallelogram with base 7 cm and height 5 cm.

Back

Area = 7 cm × 5 cm = 35 cm²

Front

What is the formula for the area of a circle?

Back

Area = π × radius²

Front

Find the area of a circle with a radius of 10 cm (use π ≈ 3.14).

Back

Area = 3.14 × (10 cm)² = 314 cm²

Front

What is the area of a circle with a radius of 5 in (use π ≈ 3.14)?

Back

Area = 3.14 × (5 in)² = 78.5 in²

Front

What is the formula for the area of a trapezoid?

Back

Area = 1/2 × (base1 + base2) × height