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1 vote
Please help !!! Need fast

Please help !!! Need fast-example-1
User Yusufaytas
by
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2 Answers

4 votes
Since b and d are perpendicular the angles they form are 90 degree angles. Also given that a and b are parallel the angles between a and d are the same as those with b and d.

SO we can say that 4x + 30 = 90
4x = 60
x = 15
User Akshay Mulgavkar
by
8.0k points
6 votes
4x+30=90
4x = 60
x = 15

answer is B. 15
User Michael Minton
by
7.7k points

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