Parts of a Circle Quiz

What is the distance from the center of a circle to any point on the circle called?

• perimeter

• radius

• diameter

• chord

What is the distance across a circle through its center called?

• diameter

• perimeter

• radius

• circumference

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

• 3.14 * r

• 2 * π * r

• 2 * r

• r^2

Tags

CCSS.7.G.B.4

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

• πr^2

• πr

• 2πr

• πr^3

Tags

CCSS.7.G.B.4

What is the angle whose vertex is the center of a circle and whose sides pass through two points on the circle called?

• Right angle

• Acute angle

• Central angle

• Obtuse angle

What is the length of a portion of the circumference of a circle called?

• loop

• slice

• corner

• arc

What is a line that intersects a circle at exactly one point called?

• Tangent

• Concentric

• Perpendicular

• Parallel

What is a line that intersects a circle at exactly two points called?

• Tangent

• Radius

• Secant

• Chord

What is the value of x?

• 22
• 25
• 15
• 20

Tags

CCSS.HSG.C.A.2

• A

• B

• C

• D

Tags

CCSS.HSG.C.A.2