11/12 Composite Area Practice

Front

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

Back

Area = length × width

Front

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

Back

Area = 1/2 × base × height

Front

What is the formula for calculating the area of a parallelogram?

Back

Area = base × height

Front

What is the formula for calculating the area of a circle?

Back

Area = π × radius²

Front

What is a composite area?

Back

A composite area is the total area of a shape made up of two or more simple shapes.

Front

How do you find the area of a composite shape?

Back

Divide the shape into simpler shapes, calculate each area, and then sum them up.

Front

What is the unit of area in square feet?

Back

Square foot (ft²) is the unit used to measure area.

Front

What is the cost of carpeting per square foot in Ms. Robbins' case?

Back

$22 per square foot.

Front

What is the total installation fee for carpeting?

Back

$250.

Front

If a room has an area of 76 ft², how much would it cost to carpet it?

Back

Cost = Area × Cost per square foot + Installation fee = 76 × 22 + 250 = $1,682.