SF Ch 9 Night Before Test Review

Front

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

Back

Area = length × width.

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

Front

How do you find the circumference of a circle?

Back

Circumference = 2 × π × radius.

Front

What is the definition of radius in a circle?

Back

The radius is the distance from the center of the circle to any point on its circumference.

Front

What is the relationship between diameter and radius?

Back

Diameter = 2 × radius.

Front

What is the formula for the area of a circle?

Back

Area = π × radius².

Front

How do you convert cm² to m²?

Back

To convert cm² to m², divide by 10,000.

Front

What is the formula for the perimeter of a triangle?

Back

Perimeter = side1 + side2 + side3.

Front

What is the definition of a rectangle?

Back

A rectangle is a quadrilateral with opposite sides equal and all angles equal to 90 degrees.