+0  
 
0
178
1
avatar+20 


Select one:

a. 62.5

b. 105

c. 112.5

d. 115

 Jul 30, 2018
 #1
avatar
0

360 - 85 -115 - 50 =110 degrees - Length of arc opposite angle "5"

 

The measure of angle "5" =1/2[110 + 115] =112.5 degrees - or "c" on your list.

 Jul 30, 2018

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