CIRCLES Chapter Test

Name a chord that is not a diameter:

• $\overline{AB}$

• $\overline{DB}$

• $\overline{CB}$

• $\overline{CE}$

Name a secant:

• line segment AB

• line segment DB

• line CB

• Line CE

Find the measurement of arc GH.

• 20 $\degree$  

• 50 $\degree$  

• 70 $\degree$  

• 90 $\degree$  

Tags

CCSS.HSG.C.B.5

If points G and H lie on the circle T, then find the length of the arc GH to the nearest hundredth.

• 6.28 m

• 12.57 m

• 25.13 m

• 37.70 m

Tags

CCSS.HSG.C.B.5

In ⨀X, chords  $\overline{AB}$  and  $\overline{CD}$  are congruent and  $\overline{AB}$  is 9 units from X. Find the distance from  $\overline{CD}$  to X.

• 4.5 units

• 9 units 

• 18 units

• cannot tell

Tags

CCSS.HSG.C.A.2

Determine AB.

• 4 $\sqrt{2}$ units

• 8 units

• 8 $\sqrt{3}$ units

• 4 $\sqrt{2}$ + 4 units

Tags

CCSS.HSG.C.A.2

Triangle JKL is inscribed in ⨀P with diameter  $\overline{JK}$  and measurement of arc JL is 130 $\degree$ . Find the m $\angle$  KJL.  

• 25  $\degree$  

• 50 $\degree$  

• 65 $\degree$  

• 130 $\degree$  

Tags

CCSS.HSG.C.A.2

The measure of an angle formed by two tangents to a circle is 90. If the radius of the circle is 8 centimeters, how far is the vertex of the angle from the center of the circle?

• 8 cm

• 8 $\sqrt{2}$ cm
  

• 8 $\sqrt{3}$ cm

• 16 cm

Tags

CCSS.HSG.SRT.C.8

Circle A has its center at A(5, 7) and line 𝐶𝐵 is tangent to ⨀A at B(2, 8). Find the slope of line 𝐶𝐵 .

• 3

• 1/3

• - $\frac{1}{3}$

• -3

 Find m∠PQR if  $\overrightarrow{QP}$   and  $\overrightarrow{QR}$   are tangent to ⨀X

• 70 $\degree$  

• 110 $\degree$  

• 125 $\degree$  

• 140 $\degree$  

Tags

CCSS.HSG.C.A.2