SOLUTION: Perpendicular lines AB and CD intersect at point E. If m∠AED = x + 20, what is the value of x?
my choices are as follows:
a) 160
b) 110
c) 90
or d) 70
i am alri
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Question 395999: Perpendicular lines AB and CD intersect at point E. If m∠AED = x + 20, what is the value of x?
my choices are as follows:
a) 160
b) 110
c) 90
or d) 70
i am alright in geometery but not great and i dont understand how to work this problem or i would find the answer myself. the problem is i cant find out how to work it at all neither on the internet or in my textbook!!!
Found 2 solutions by mananth, richard1234:
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
The lines are perpendicular.
so they intersect at right angles = 90 degrees
x+20 =90
x=90-20
x= 70 deg. option D
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
It's pretty straightforward. AED = 90 degrees since AB and CD are perpendicular. So 90 = x + 20, x = 70.
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