Area and Perimeter of Composite Figures

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width)

Front

How do you find the area of a composite figure?

Back

Break the figure into common shapes, find the area of each, and add them together.

Front

What is the difference between area and perimeter?

Back

Area measures the space inside a shape; perimeter measures the distance around a shape.

Front

What is the area of a rectangle with a length of 10 cm and a width of 5 cm?

Back

Area = 10 cm × 5 cm = 50 cm²

Front

If a square has a side length of 4 units, what is its perimeter?

Back

Perimeter = 4 × 4 units = 16 units

Front

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

Back

Area = π × (3 cm)² ≈ 28.27 cm²

Front

How do you calculate the perimeter of a composite figure?

Back

Add the lengths of all the outer sides of the figure.

Front

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

Back

Area = 1/2 × 6 cm × 4 cm = 12 cm²

Front

What is the perimeter of a rectangle that is 8 m long and 3 m wide?

Back

Perimeter = 2 × (8 m + 3 m) = 22 m