Geometry 2 - Summative 2

Parts of a Circle

100

A diameter is how much larger than a radius?

2 times as large

200

This segment goes from the perimeter of the circle to another point on the perimeter, but not through the center

chord

300

This segment has endpoints on the perimeter of a circle, and goes through its center

Diameter

400

This angle has its vertex on the center of the circle

Central Angle

500

This Angle has its vertex on the perimeter of the circle

Inscribed Angle

Inscribed + Central Angles and Quadrilaterals

100

This arc is smaller than a semi-circle and has measure less then 180^o

Minor Arc

200

https://imgur.com/h42NHXc

Angle 1 = _____^o

145^o

300

https://imgur.com/wVO0Sve

Arc LHP is what?

Semi-Circle

400

https://imgur.com/oJH7yiU

Angle LNH = _____^o

73^o

500

https://imgur.com/Xjlrahr

Angle BCD = _____^o

100^o

Equation of a Circle

100

https://imgur.com/aI7hQZL

(h,k) represents what in the equation of a circle?

The Center

200

https://imgur.com/pSNEwbb

What is the radius of this circle?

4

300

https://imgur.com/pSNEwbb

What is the center of this circle?

(-3,5)

400

Write the equation of a circle with

center: (1,-10)

and 

radius: 5

https://imgur.com/ByCebbM

500

What is the equation of this circle?

https://imgur.com/KpNYnEs

https://imgur.com/AD8SE7v

Arc Length

100

What is the formula for the circumference of a circle?

2*pi*r

200

An arc of 90 degrees is what fraction of the total circles circumference?

1/4

300

Convert 60^o to Radians

pi/3

400

https://imgur.com/l8gMOhF 

What is the length of the arc?

30.615

500

https://imgur.com/RJDSLHy 

What is the length of the arc?

6.37

Sector Area

100

What is the formula for the area of a circle?

pi*r^2

200

A sector of 270^o is what fraction of the area of the circle?

3/4

300

Convert into degrees

https://imgur.com/9nqc19r

150^o

400

Find the area of the sector with 

measure: 85^o

and 

radius: 9

60.1

500

https://imgur.com/lznQW70 

Find the area of the sector

3947