Circles

The _____ is the distance from the center to any point on the circle.

• diameter
• radius
• π
• center

Tags

CCSS.HSG.C.A.2

CCSS.HSG.CO.A.1

The distance across a circle through its center is called the _____.

• diameter
• radius
• π
• center

Tags

CCSS.HSG.CO.A.1

Which segment is the diameter?

• AC
• BD
• LM
• CE

Tags

CCSS.HSG.C.A.2

A line that passes through a circle

• Secant
• Tangent
• Chord
• Radius

Tags

CCSS.HSG.C.A.2

What is the equation of a circle with radius 4 and center (0, 8)?

• x² + (y-8)² = 16
• (x-8)² + y² = 4
• x² + (y-8)² = 4
• x² + (y+8)² = 16

Tags

CCSS.HSG.GPE.A.1

In the equation (x+2)²+(y-3)²=4, the radius of the circle is...

• 4
• 2
• 3
• 16

Tags

CCSS.HSG.GPE.A.1

The equation of the circle is ( x - 8 )² + ( y + 3 )² = 9 . The center is

• ( 8, -3 )

• ( 8, 3 )

• ( -8, -3 )

• ( -8, 3 )

Tags

CCSS.HSG.GPE.A.1

What is the center and radius for a circle with the equation:
(x-4)²+(y+2)²=25

• C:(4, -2), r=5
• C:(-4, 2), r=5
• C:(4, -2), r=25
• C:(-4, 2), r=25

Tags

CCSS.HSG.GPE.A.1

What is the m∠U?

• 38⁰
• 19⁰
• 76⁰
• 90⁰

Tags

CCSS.HSG.C.A.2

What is m∠RST?

• 86°
• 43°
• 172°
• 90°

Tags

CCSS.HSG.C.A.2