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CBSE Class 10 Answered

plz solve Q11 urgently
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Asked by savitamahajan202 | 23 Jan, 2023, 03:19: PM
answered-by-expert Expert Answer
x+20 and 3x-60 are alternate angles formed due to intersection of line P with parallel lines l and m
 
x+20 = 3x-60 ;
 
By solving above expression , we get x = 40 .
 
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(3x-60) and y are supplementary angles .
 
( 3x - 60 ) + y = 180
 
from known x = 40 , we get y =120 from above expression
 
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y and z+10 are interior angles formed due to intersection of line p with parallel lines m and n
 
sum of interior angles = 180o
 
y + (z+10) = 180
 
rom known y = 120 , we get z = 50 from above expression



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