Chapter 2 Review 2.3, 4, 7, 9

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height

Front

How do you calculate the perimeter of a square?

Back

Perimeter = 4 × side length

Front

What is the difference between radius and diameter?

Back

Radius is half the diameter; it measures from the center to the edge of the circle.

Front

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

Back

Area = 5 cm × 5 cm = 25 cm²

Front

What is the area of a parallelogram with a base of 6 units and a height of 2 units?

Back

Area = 6 units × 2 units = 12 units²

Front

If a square has a perimeter of 20 cm, what is the length of one side?

Back

Side length = Perimeter / 4 = 20 cm / 4 = 5 cm

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

How do you find the circumference of a circle?

Back

Circumference = 2 × π × radius

Front

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

Back

Area = (base × height) / 2 = (10 cm × 5 cm) / 2 = 25 cm²

Front

What is the relationship between the radius and diameter of a circle?

Back

Diameter = 2 × radius