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The following figure is given. Name the measurement of the angle that can be added to the sum of these three angles to yield a right angle.
 

 

A. 8

B. 9

C. 11

D. 7

E. 10

 

 

An obtuse angle measures 130 degrees. Which is the difference between this angle and a right angle?

A. 30 degrees

B. 40 degrees

C. 50 degrees

D. 60 degrees

 Mar 9, 2020
 #1
avatar+109499 
+2

First  one.....a right  angle =  90°

 

So...call  "x"  the missing  angle   and we have   that

 

29 + 34 + 20  + x    = 90      simplfy

 

83  +  x   =  90     subtract 83  from both sides

 

x  = 7°

 

 

Second  one      

 

130  - 90   = 

 

40°

 

 

cool cool cool

 Mar 9, 2020
edited by CPhill  Mar 9, 2020

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