Pre Test on Circles

The amount of space occupied by a circle is called the...

• radius

• diameter

• area

Tags

CCSS.7.G.B.4

The ___?____ of a circle is the point equidistant from all points on the circle.

• diameter

• center

• radius

A line segment with one endpoint at the center of the circle and the other endpoint on the circle is known as the circle's ____?____.

• diameter

• radius

• tangent

A line segment that passes through the center of the circle and has 2 endpoints ON either side of the circle is the...?

• diameter

• tangent

• radius

What do we call the distance around a circle?

• diameter

• radius

• circumference

• perimeter

What is this symbol?

• r

• theta

• pi

Tags

CCSS.7.G.B.4

What is π?

• 3.141592...

• 3

• 3.1

• 31.41

Tags

CCSS.7.G.B.4

What is the formula for area of a circle?

• πr²

• 2πr

• 2πd

• πd

Tags

CCSS.7.G.B.4

What is the formula for circumference of a circle?

(There are 2 correct answers! You must select both.)

• C=2πr

• C=πr²

• C=r÷2

• C=πd

Tags

CCSS.7.G.B.4

What would the radius of a circle be when the diameter is 20 ft?

• 60.3

• 23.14

• 10

Tags

CCSS.7.G.B.4