Unit 7 Test Review: Circles

What are the coordinates of the center and the radius of the circle with equation:

(x - 4)² + (y - 3)² = 25 ?

• Center (4,3)

  Radius = 5 units

• Center (4,3)

  Radius = 25 units

• Center (-4,-3)

  Radius = 25 units

• Center (-4,-3)

  Radius = 5 units

Tags

CCSS.HSG.GPE.A.1

Find the measure of arc AB. Write your answer as just a number. No "degrees"

Tags

CCSS.HSG.C.A.2

Solve for the missing angle. Write your answer as just a number. No "degrees."

Tags

CCSS.HSG.C.A.2

What is the measure of angle 2? (Clarification: "angle 2" is like x.)

• 80

• 45

• 125

• 40

Tags

CCSS.HSG.C.A.2

Which is the correct equation to find m<KLM?

• 2x = 140 - 66

• 2x = 140+66

• 2(66) = 140 - x

• 2(66) = 140 + x

Tags

CCSS.HSG.C.A.2

Find the length of the bold arc. Leave pi in your answer.

• 5688π ft
• 15.8π ft
• 150.4π ft
• 54,150 ft

Tags

CCSS.HSG.C.B.5

What is the value of x? (Hint: Remember that intersecting tangent segments are congruent, so set the expressions equal to each other.)

Tags

CCSS.HSG.C.A.2

Find x and y.

• x=71 degrees

  y=80 degrees

• x=109 degrees

  y=100 degrees

• x=100 degrees

  y=109 degrees

• x=80 degrees

  y=71 degrees

Tags

CCSS.HSG.C.A.2

What is the equation of the circle?

• (x+1)² + (y +1)² = 3
• (x+1)² + (y -1)² = 3
• (x+1)² + (y +1)² = 9
• (x-1)² + (y -1)² = 9

Tags

CCSS.HSG.GPE.A.1

What is the circumference of this circle ?

• 3.14 cm 
• 37.68 cm
• 24 cm
• 68.4 cm

Tags

CCSS.7.G.B.4