Question

Find the measure of x in parallelogram ABCD shown in figure 28.16
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Answer 1

angle c = x ( opp angle of llgm are equal)

x/6 +3 + x / 4-10 +x = 180

2x +3x +12x/12 = 187

17x/12 = 187

x/12 = 11

x = 12 * 11

x = 84