Basic Area Classwork

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 rectangle?

Back

Area = length * width

Front

What is the formula for the area of a parallelogram?

Back

Area = base * height

Front

What is the formula for the area of a trapezoid?

Back

Area = 1/2 * (base1 + base2) * height

Front

What is the area of a triangle with a base of 10 cm and a height of 5 cm?

Back

Area = 1/2 * 10 * 5 = 25 cm²

Front

What is the area of a circle with a radius of 4 units?

Back

Area = π * 4² ≈ 50.27 units²

Front

Find the area of a rectangle with a length of 8 ft and a width of 3 ft.

Back

Area = 8 * 3 = 24 ft²

Front

Find the area of a parallelogram with a base of 6 units and a height of 4 units.

Back

Area = 6 * 4 = 24 units²

Front

What is the area of a trapezoid with bases of 5 m and 7 m, and a height of 3 m?

Back

Area = 1/2 * (5 + 7) * 3 = 18 m²