Question

ABCD is a parallelogram with a = 4 x + 5 15 degree and C is equal 5 x + 4 degree find a

Answer 1

I m actually not clear what u have written about angle A
Bt Sol. is:
opp. angles of parallelogram are equal. So, equation a and c
4x+5=5x+4
5-4=5x-4x
1=x
A=9
C=9....
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