please solve 5th part.
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The bottom left exterior is x
so interior 180-x
180-x +3x+80+90+90 (right angle) =____
I'll give u a formula but ill have to follow me and keep it a secret
Sum of interior angle
where n is no of sides ( 2n-4 )* 90
10-4 *90= 540°
180-x +3x+80+90+90=540
440-x+3x=540
2x= 540-440
2x=100
X=50
180 -x = 130
3x= 150
Make me brainliest plssssss
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