Area of a... Rectangle...Triangle...Circle

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height

Front

What is the formula for the area of a circle?

Back

Area = π × radius²

Front

If a rectangle has a length of 10 feet and a width of 4 feet, what is its area?

Back

40 square feet

Front

If a triangle has a base of 6 cm and a height of 4 cm, what is its area?

Back

12 cm²

Front

If a circle has a radius of 3 inches, what is its area?

Back

Approximately 28.27 square inches

Front

What units are used to measure area?

Back

Square units (e.g., square feet, square centimeters, square inches)

Front

How does changing the dimensions of a rectangle affect its area?

Back

Increasing length or width increases the area; decreasing them decreases the area.

Front

What is the area of a rectangle with a length of 7 cm and a width of 3 cm?

Back

21 square cm

Front

What is the area of a triangle with a base of 10 in and a height of 5 in?

Back

25 in²