Area of Shapes

Front

What is the formula to find the area of a rectangle?

Back

Area = length × width

Front

What is the formula to find the area of a triangle?

Back

Area = ½ × base × height

Front

What is the formula to find the area of a trapezoid?

Back

Area = ½ × (base1 + base2) × height

Front

What is the formula to find the area of a circle?

Back

Area = πr²

Front

If a rectangle has a length of 5 m and a width of 3 m, what is its area?

Back

Area = 5 m × 3 m = 15 m²

Front

If a triangle has a base of 4 cm and a height of 3 cm, what is its area?

Back

Area = ½ × 4 cm × 3 cm = 6 cm²

Front

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

Back

Area = 6 cm × 6 cm = 36 cm²

Front

If a trapezoid has bases of 8 cm and 6 cm, and a height of 4 cm, what is its area?

Back

Area = ½ × (8 cm + 6 cm) × 4 cm = 28 cm²

Front

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

Back

Area = π × (3 m)² ≈ 28.27 m²

Front

How do you convert square inches to square feet?

Back

Divide the number of square inches by 144 (since 1 sq ft = 144 sq in).