Parts of a Circle Quiz

What is the radius of a circle?

• The radius of a circle is the distance from one point on its circumference to another point on its circumference.

• The radius of a circle is the length of its circumference.

• The radius of a circle is the distance from one point on its circumference to the opposite point on its circumference.

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

Tags

CCSS.HSG.C.A.2

What is the diameter of a circle?

• The length of the circle's radius

• A straight line segment that passes through the center of the circle and connects two points on its circumference.

• The distance between two points on the circumference of the circle

• The area of the circle

Tags

CCSS.HSG.C.A.2

What is an arc length?

• The distance between two points on a straight line.

• The distance from the center of a circle to its circumference.

• The distance along the circumference of a circle or any curved line segment.

• The distance across the diameter of a circle.

What is the formula to calculate the diameter of a circle?

• Three times the radius

• Half the radius

• The square of the radius

• Twice the radius

Tags

CCSS.7.G.B.4

What is the formula to calculate the circumference of a circle?

• 2πr

• 4πr

• 3πr

• πr^2

Tags

CCSS.7.G.B.4

What is the formula to calculate the area of a circle?

• A = πr^2

• A = r^2

• A = πd

• A = 2πr

Tags

CCSS.7.G.B.4

Line segment AH is a

• diameter

• radius

• secant

• chord

Tags

CCSS.HSG.C.A.2

Line segment CD is a

• diameter

• radius

• secant

• chord

Line segment BH is a

• tangent

• radius

• secant

• chord

Line segment HF is a

• tangent

• radius

• diameter

• chord