Area of Plane Figures - Rectangles, Triangles, Circles, Trapezoids

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 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 ft and a width of 2 ft?

Back

20 ft²

Front

What is the area of a triangle with a base of 6 cm and a height of 4 cm?

Back

12 cm²

Front

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

Back

Approximately 28.27 cm²

Front

What is the area of a trapezoid with bases of 5 cm and 7 cm, and a height of 4 cm?

Back

24 cm²

Front

What is the area of a parallelogram with a base of 5 m and a height of 3 m?

Back

15 m²

Front

What is the area of a rectangle with an area of 200 in² and a width of 10 in?

Back

Length = 20 in