Angle bisector and auxiliary angles

• x=67
• x=43
• x=55
• x=12

Tags

CCSS.HSG.CO.C.9

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

• 17^o

• 34^o

• 68^o

Tags

CCSS.HSG.CO.C.9

AND find the measure of ∠ABD

• x=3/17 ∠ABD = 27°

• x=9 ∠ABD = 81°

• x=3 ∠ABD = 27°

• x= -3 ∠ABD = -27°

Tags

CCSS.HSG.CO.C.9

• m∠GHK=90, m∠KHJ=45
• m∠GHK=45, m∠KHJ=45
• m∠GHK=45, m∠KHJ=90
• m∠GHK=90, m∠KHJ=90

Tags

CCSS.HSG.CO.C.9

 $\overrightarrow{EJ}\$  bisects  $\angle DEF$ ,  $m\angle DEJ=5x+7$  ,  $m\angle JEF=8x-8$ .
Find x.

• 5

• 2

• 6

• 13

Tags

CCSS.HSG.CO.C.9

 $\overrightarrow{BD}$  bisects $\angle ABC$ ,  $m\angle ABD=3x+5$  and  $m\angle ABC=2x+30$ . Find  $m\angle DBC$  . 

•  $15\degree$  

•  $35\degree$  

•  $5\degree$  

•  $20\degree$  

Tags

CCSS.HSG.CO.C.9

AND find the measure of ∠ABD

• x=3/17 ∠ABD = 27°

• x=9 ∠ABD = 81°

• x=3 ∠ABD = 27°

• x= -3 ∠ABD = -27°

• m∠GHK=26, m∠KHJ=26
• m∠GHK=26, m∠KHJ=52
• m∠GHK=52, m∠KHJ=52
• m∠GHK=52, m∠KHJ=26

Tags

CCSS.HSG.CO.C.9

Find the m<1

• No solution

• 22

• 198

• 84

Find m<2?

• 135

• 45

• 213

• No solution