2D shapes Area Review (Algebra)

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 rectangle with a length of 10 cm and a width of 5 cm?

Back

Area = Length * Width = 10 cm * 5 cm = 50 cm²

Front

What is the formula for the area of a circle?

Back

Area = π * r², where r is the radius of the circle.

Front

If the radius of a circle is 7 cm, what is its area?

Back

Area = π * (7 cm)² ≈ 153.94 cm²

Front

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

Back

Area = (1/2) * Base * Height = (1/2) * 8 m * 5 m = 20 m²

Front

What is the area of a square with a side length of 4 in?

Back

Area = Side² = 4 in * 4 in = 16 in²

Front

What is the area of a parallelogram with a base of 6 m and a height of 3 m?

Back

Area = Base * Height = 6 m * 3 m = 18 m²

Front

What is the area of a circle with a diameter of 10 cm?

Back

Radius = Diameter/2 = 5 cm; Area = π * (5 cm)² ≈ 78.54 cm²

Front

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

Back

Area = (1/2) * (10 m + 6 m) * 4 m = 32 m²

Front

What is the area of a rectangle with a length of 12 ft and a width of 3 ft?

Back

Area = Length * Width = 12 ft * 3 ft = 36 ft²