Question

ABCD is a parallelogram with angle A = (4x + 15)° and angle C = (5x + 4)°. Find angle A

Answer 1

Since, ABCD is a parallelogram, Therefore, /A = /C.(opposite angles of a parallelogram Are equal)
So,
4x+15=5x+4,
15-4 = 5x-4x
11=x
Hence, x=11
That's the answer..
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