Area of 2D shapes

Front

What is the formula for finding the area of a rectangle?

Back

Area = length × width

Front

What is the formula for finding the area of a triangle?

Back

Area = 1/2 × base × height

Front

What is the formula for finding the area of a trapezoid?

Back

Area = 1/2 × (base1 + base2) × height

Front

What is the area of a square with a side length of 5 cm?

Back

25 cm²

Front

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

Back

Area = π × radius² = 28.27 cm² (approx.)

Front

How do you find the area of a composite figure?

Back

Divide the figure into simpler shapes, find the area of each, and then sum them up.

Front

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

Back

40 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 trapezoid with bases of 8 cm and 5 cm, and a height of 3 cm?

Back

19.5 cm²

Front

What is the area of a square with a side length of 7 in?

Back

49 in²