Angle Bisectors and Angle Addition Postulate Practice

Find the measure of <1 if  $m<CUB=78^o$  

• 12

• 30

• 48

• 126

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CCSS.7.G.B.5

 $\overrightarrow{US}$  bisects  $\angle BUL$  ,  $m\angle BUS=2x+10$  , and  $m<SUL=3x-18$  .  Find  $m<BUL$  .

•  $28^o$  

•  $52^o$  

•  $128^o$  

•  $132^o$  

Tags

CCSS.HSG.CO.C.9

 $m\angle HAK=4x-2$  , $m\angle KAW=2x-5$  ,  $m\angle HAW\ =\ 77^o$  

Write an equation to set up this problem.

Tags

CCSS.8.G.A.5

 $\overrightarrow{IE}$  bisects  $\angle FIR$  .  If the  $m\angle FIR\ =124\$  and  $m\angle RIE\ =\ 7x\ -\ 1$  , find the value of x.

• 3

• 9

• 62

• 124

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CCSS.HSG.CO.C.9

 $m\angle TRI=3x-5,\ m<IRB\ =\ x\ +\ 27,\$  and  $m\angle TRB=86\degree.$    Does  $\overrightarrow{RI}$  bisect  $\angle TRB$  ?

Tags

CCSS.HSG.CO.C.9

What value of x did you get for #5 when you solved your equation?

• 4

• 16

• 43

• 64

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CCSS.5.MD.C.5B

CCSS.6.G.A.2

 $m<WOV=132\degree.\ \ \overrightarrow{OL}$  bisects  $\angle WOV$  .   $m\angle LOV=5x+1.$  Find the value of x.

• 6

• 11

• 13

• 23

Tags

CCSS.HSG.CO.C.9

 $\overrightarrow{BD\ }$  bisects  $\angle ABC.$  Solve for x and find  $m<ABC.$  
 $m\angle ABD=3x+20$  and  $m\angle CBD=6x-16$  

• x = 5;  $m<ABC=50$  

• x = 15;  $m\angle ABC=48\degree$  

• x = 11;  $m<ABC=\ 56\degree$  

• x = 12;  $m\angle ABC=112\degree$  

Tags

CCSS.HSG.CO.C.9

Find the  $m\angle NEO$  .

• 63

• 72

• 99

• 162

Tags

CCSS.7.G.B.5

Find the  $m\angle DEO$  .

• 63

• 72

• 99

• 162

Tags

CCSS.7.G.B.5