Angle Bisectors and Angle Addition Postulate

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

• 12

• 30

• 48

• 126

Tags

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

 $\overrightarrow{BD\ }$  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

Find the  $m\angle DES$  .

• 63

• 72

• 99

• 162

Tags

CCSS.7.G.B.5

Angle ABC measures 34^o. What is the measure of angle CBD?

• 17^o

• 34^o

• 68^o

Tags

CCSS.HSG.CO.C.9

The measure of angle ABD is 74^o. What is the measure of angle CBD?

• 148^o

• 74^o

• 37^o

Tags

CCSS.HSG.CO.C.9

• m∠SQP=29, m∠PQR=58
• m∠SQP=29, m∠PQR=29
• m∠SQP=58, m∠PQR=58
• m∠SQP=58, m∠PQR=29

Tags

CCSS.HSG.CO.C.9

 $\overrightarrow{BD}$  bisects $\angle ABC$ ,  $m\angle ABD=3x+5$  and  $m\angle ABC=2x+30$ . Find  $m\angle DBC$  .  (HINT: Draw a picture!!)

•  $15\degree$  

•  $35\degree$  

•  $5\degree$  

•  $20\degree$  

Tags

CCSS.HSG.CO.C.10

CCSS.HSG.CO.D.12