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Question

In the adjoining figure p||q, 1=100° and 2=150°find x,y,andz.


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Solution

Step 1: Find the value of x

Given:

1=100° and 2=150°

From diagramx and 1 are interior angles on same side of transversal.

x+1=180° [interior angles on same side of transversal are supplementary angles]

x+100°=180°

x=180°-100°x=80°

Step 2: Find the value of y

xand y are linear pair angles.

x+y=180° [linear pair angles are supplementary angles]

80°+y=180°

y=180°-80°

y=100°

Step 3: Find the value of z

z+y=2 [exterior angle is equals to sum of two opposite interior angles]

z+100°=150°

z=150°-100°

z=50°

Hence the values of is x,y,andz are 80°,100°and50° respectively.


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