Question

Given that AB is a straight line . Calculate the value of x in following case

Answer 1

Answer:

72 +x =180

x = 180 - 72

x =. 108

Step-by-step explanation:

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Answer 2

Given :-

AB is a straight line .

This will mean that ∠72° and ∠x, are a linear pair .

Which means :-

$= 72 + x = 180$

$= x = 180 - 72$

$\color{hotpink} x = 108$

As the sum of both of the angles is equivalent to 180°[ 72 + 108 = 180 ] , we can conclude that we have found out the correct value of x .

Therefore , the value of :-

$\boxed{\color{olive}x = \color{hotpink}\bold{108}}$