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In the diagram below, quadrilateral BAED is a parallelogram, and BD = BC. If angle DBC = 38, then find angle EAB, in degrees.

 

 Apr 14, 2022
 #1
avatar+64 
-2

Hang tight im going to solve it

 Apr 14, 2022
 #2
avatar+580 
+2

We see that since BDC is an isosceles triangle, so, therefore, angle BDC = angle BCD = x.

 

38 + 2x = 180

2x = 142

x = 71

 

From here, we see that angle EDB = 180 - 71 = 109
 

Used as reference:

https://web2.0calc.com/questions/help-asap-with-geometry

 Apr 14, 2022
 #3
avatar+64 
-1

I believe it equal 109 97%sure

 Apr 14, 2022
 #4
avatar+2668 
+1

Here's another way to solve it. Because BCD is isosceles, D=C=71

 

Because BAED is a parallelogram, D=E=71

 

Extend Point A to M, so it is perpendicular to ¯EC . 

 

A=EAM+MAB

 

In triangle AMEEAM=19

 

Because ¯AM is perpendicular to ¯BAMAB=90

 

Thus, A=90+19=109

 Apr 14, 2022
 #5
avatar+130475 
0

Nice solutions ,guys  !!!!

 

 

cool cool cool

CPhill  Apr 14, 2022

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