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A, O and B lie on a straight line segment where a = 30°, b = 63° and c = 75°. 

State the value of the angles: 
i) ∠AOB 
ii) ∠ZOB 
iii) ∠XOY 
iv) ∠AOY 
v) ∠YOZ
The diagram is not drawn to scale.

 Nov 22, 2017
 #1
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AOB  = a + b + x + c  =  180°

ZOB =  c =  75°

XOY = b =   63°

AOY =  a + b  = [ 30 + 63 ]  =  93° 

YOZ = x  =   180  -  30 - 63 - 75  = 12°

 

 

cool cool cool

 Nov 22, 2017

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