Geo Chapter 9 Area Review

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height

Front

Calculate the area of a parallelogram with a base of 6 cm and a height of 4 cm.

Back

Area = 6 cm × 4 cm = 24 cm²

Front

What is the formula for the area of a trapezoid?

Back

Area = 1/2 × (Base1 + Base2) × height

Front

Find the area of a trapezoid with bases of 8 inches and 2.2 inches, and a height of 4 inches.

Back

Area = 1/2 × (8 + 2.2) × 4 = 20.4 in²

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height

Front

Calculate the area of a triangle with a base of 10 m and a height of 5 m.

Back

Area = 1/2 × 10 m × 5 m = 25 m²

Front

What is a composite figure?

Back

A composite figure is a shape made up of two or more simple shapes.

Front

How do you find the area of a composite figure?

Back

Find the area of each simple shape and then sum them up.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

Calculate the area of a rectangle with a length of 10 m and a width of 4 m.

Back

Area = 10 m × 4 m = 40 m²