Area of 2D Shapes

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 area of a square with a side length of 5 cm?

Back

Area = 5 cm × 5 cm = 25 cm²

Front

What is the area of a rectangle with a length of 10 cm and a width of 4 cm?

Back

Area = 10 cm × 4 cm = 40 cm²

Front

What is the area of a triangle with a base of 8 cm and a height of 5 cm?

Back

Area = 1/2 × 8 cm × 5 cm = 20 cm²

Front

What is the area of a circle with a radius of 3 cm?

Back

Area = π × (3 cm)² ≈ 28.27 cm²

Front

What is the area of a trapezoid with bases of 6 cm and 10 cm, and a height of 4 cm?

Back

Area = 1/2 × (6 cm + 10 cm) × 4 cm = 32 cm²

Front

What is the area of a parallelogram with a base of 7 cm and a height of 3 cm?

Back

Area = base × height = 7 cm × 3 cm = 21 cm²

Front

What is the area of a shaded region if the total area is 50 cm² and the unshaded area is 20 cm²?

Back

Shaded area = Total area - Unshaded area = 50 cm² - 20 cm² = 30 cm²