Question

adjacent angle of a parallel gram measures (3x+8) and (10 - x) find the value of x​

Answer 1

We know, the sum of adjacent angles of a parallelogram = 180°

so,

3x + 8 + 10 - x = 180

2x + 18 = 180

2x = 180 - 18 = 162

x = 162/2

x = 81°

hence, done

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