Geo Con Unit 7: Circles Review

which segment above represents the radius?

• BC

• BCD

• BD

• LM

which segment above DOESN'T represent a radius

• AC

• BC

• CD

• LM

what is this shape called

• circle

• semi circle

• moon

• triangle

Tags

CCSS.HSG.CO.A.1

what is the formula for finding area of a circle

• $A=2\cdot\pi\cdot r$
  

• $A=\pi\cdot r^2$
  

• $A=\frac{\pi\cdot r^2}{2}$

• $A=\pi\cdot d$
  

Tags

CCSS.7.G.B.4

What is the formula for circumference of a circle given the radius?

• $C=\pi\cdot r$

• $C=2\cdot\pi\cdot r$
  

• $C=\pi\cdot d$
  

• $C=2\cdot\pi\cdot d$
  

Tags

CCSS.7.G.B.4

Find the measure of arc JH

• $93\degree$

• $130\degree$
  

• $75\degree$
  

• $180\degree$
  

Tags

CCSS.HSG.C.B.5

How many degrees are in a circle?

• $90\degree$

• $180\degree$

• $270\degree$
  

• $360\degree$

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Find the measure of the arc BFE.

• $261\degree$

• $135\degree$

• $216\degree$

• $180\degree$

Tags

CCSS.HSG.C.B.5

Which is true of a major arc?

• Forms half a circle.
• Forms a whole circle.
• Measures greater than 180 degrees.
• Measures less than 180 degrees.

Find the angle measure indicated. Assume that lines which appear to be tangent are tangent. Solve for the ?

• $63\degree$

• $90\degree$

• $117\degree$

• $180\degree$

Tags

CCSS.HSG.C.A.2