Geometry: Circles and Angles

Which segment is a radius?

• LM

• DC

• BD

• ML

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CCSS.HSG.C.A.2

CCSS.HSG.CO.A.1

• (0,0)

• (0,-3)

• (3,0)

• (0,3)

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CCSS.HSG.GPE.A.1

• 5

• 10

• 25

• 50

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CCSS.HSG.GPE.A.1

Write the equation of the circle with center at the origin (0,0) and a diameter of 10

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CCSS.HSG.GPE.A.1

Determine the equation of the circle with center (4,0) containing the point (5,​√122).

• (x - 4)² + y² = 122
• (x + 4)² + y² = 123
• (x - 4)² + (y - 1)² = 123
• (x - 4)² + y² = 123

Write the equation of the circle with center at  (-2,4) and a radius of 6

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CCSS.HSG.GPE.A.1

CCSS.HSA.CED.A.2

• center: (2, -5)

  radius: 81

• center: (2, 5)

  radius: 9

• center: (2, -5)

  radius: 9

• center: (-2, -5)

  radius: 9

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CCSS.HSG.GPE.A.1

The measure of an _________ ______ is HALF the measure of its intercepted arc.

• external angle
• central angle
• complementary angle
• inscribed angle

An angle whose vertex is the center of the circle.

• Inscribed angle

• Major angle

• Central angle
• Minor angle

Determine the equation of the circle with center (−5,−3) containing the point (3,−18).

• (x + 5)² + (y + 3)² = 289
• (x + 5)² + (y + 3)² = 100
• (x - 5)² + (y + 3)² = 289
• (x + 5)² + (y - 3)² = 289