composite area summer 2025

Front

What is the formula for the area of a circle?

Back

Area = πr², where r is the radius of the circle.

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2πr, where r is the radius of the circle.

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height.

Front

What are the bases of a trapezoid?

Back

The two parallel sides of the trapezoid.

Front

What is the formula for the area of a trapezoid?

Back

Area = (1/2) × (base1 + base2) × height.

Front

What is the value of π (pi) approximately?

Back

π ≈ 3.14.

Front

How do you find the radius of a circle if you know the area?

Back

Radius = √(Area/π).

Front

What is the relationship between diameter and radius?

Back

Diameter = 2 × radius.

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.