find the value of x if the triangle is isosceles triangle.
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60degree
because the exterior angle is 120 it subtracted from 180 it have 60
It is isosceles triangle so both side have same degrees
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Answer:
x = 60°
Step-by-step explanation:
The angle of any straight line is 180° .
Given , 120° so , it's adjacent angle will be 60°
And as it's isosceles triangle .
x will be also 60° .
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