Find the angle x.
Find the value of x
x = 30
Dragan: Check this out. Does that look right??
It's correct! I've done it as a guest.
Look at a diagram: 2x + 90º + x = 180º
3x = 90º
x = 30º
3x + x = 120º ( Larger angle of that quadrilateral is 120º )
3x + 30º = 120º
( I feel I'm 13 years old again. )
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