Question

find the value of the unknown X in the following diagram
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Answer 1

Step-by-step explanation:

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Answer 2

SUM OF ALL THE ANGLES OF A TRIANGLE = 180'

assume one angle as x*

THE OTHER TWO ANGLES ARE 60* AND 90*

x* + 60* + 90* = 180*

x = 180* - 150* = 30*

SEE THE PHOTO FOR CLEAR UNDERSTANDING