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In the given figure, a || b.  Then the value of z is

 

 Feb 15, 2021

Best Answer 

 #1
avatar+29193 
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First 2x + 2y = 180     (angles next to each other in a parallelogram are supplementary)

x+y = 90

 

 

then   x+y + 180 -2z  = 180            (sum of angles in a triangle)

            90   = 2z

               z = 45o

 Feb 15, 2021
 #1
avatar+29193 
+2
Best Answer

First 2x + 2y = 180     (angles next to each other in a parallelogram are supplementary)

x+y = 90

 

 

then   x+y + 180 -2z  = 180            (sum of angles in a triangle)

            90   = 2z

               z = 45o

ElectricPavlov Feb 15, 2021

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