Composite Area

Front

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

Back

Area = length × width.

Front

How do you calculate the area of a circle?

Back

Area = π × radius².

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

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

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

Front

What is the significance of units in area calculations?

Back

Units indicate the measurement of area, such as square feet or square meters.

Front

If a carpet costs $22 per square foot, how do you calculate the total cost for carpeting a room?

Back

Total cost = area of the room (in sq ft) × cost per sq ft + installation fee.

Front

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

Back

Area = side × side = 5 cm × 5 cm = 25 cm².

Front

How do you convert square inches to square feet?

Back

Divide the area in square inches by 144 (since 1 sq ft = 144 sq in).

Front

What is the area of a circle with a radius of 4 cm?

Back

Area = π × (4 cm)² ≈ 50.27 cm².