Geometry

Front

What is the formula for the area of a circle?

Back

Area = πr², where r is the radius.

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2πr or Circumference = πd, where d is the diameter.

Front

What is the relationship between diameter and radius?

Back

Diameter = 2 × Radius.

Front

What is the definition of a composite figure?

Back

A composite figure is a shape that is made up of two or more simple shapes.

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Front

What is the definition of a radius?

Back

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

Front

What is the definition of a diameter?

Back

The diameter is the distance across a circle through its center, equal to twice the radius.

Front

What is the value of π (pi) approximately?

Back

π (pi) is approximately 3.14.

Front

How do you find the area of a triangle?

Back

Area = 1/2 × base × height.

Front

What is the definition of circumference?

Back

Circumference is the distance around a circle.