Circles Basics

Which of the following names the circle?

• Circle DC

• Circle D

• Circle AC

• Circle ADC

Which of the following names a radius?

• $\overline{AC}$

• $\overline{DB}$

• $\overline{DC}$

• Arc BC

• Arc ABC

Which of the following names a diameter?

• $\overline{AC}$

• $\overline{DB}$

• $\overline{AB}$

• $\overline{BC}$

What is the part of the circle highlighted in red called?

• semi-circle arc
• major arc
• minor arc
• sector

Tags

CCSS.HSG.C.B.5

What is the part of the circle highlighted in red called?

• semi-circle arc
• major arc
• minor arc
• sector

Tags

CCSS.HSG.C.B.5

A chord is a segment that connects ___________

• the center to the endpoint

• to one point outside the circle

• a central angle

• 2 points on the circle

An angle whose vertex lies on the circle and whose sides are chords of the circle

• inscribed angle 
• central angle
• arc
• radius

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.3

An angle whose vertex is the center of a circle

• central angle
• inscribed angle
• minor arc
• major arc

Tags

CCSS.HSG.C.A.2

In the equation,

 $\left(x+2\right)^2+\left(y-3\right)^2=4$ 

 the radius of the circle is... 

• 4

• 2

• 3

• 16

Tags

CCSS.HSG.GPE.A.1

 $\left(x-4\right)^2+\left(y+2\right)^2=25$  be the equation of a circle. What is the center and radius?

• 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