Question

An angle of a parallelogram is 20 more than the adjacent angle find the measures of all the angles

Answer 1

Let one angle =X+ 20°

Let the another angle =X

In parallelogram  opposite angle are equal,

In parallelogram adjacent angles are supplementary,

Angle sum property of a parallelogram =360°

X+20+X+20+X+X=360

4X+40=360

4X=360-40

4X= 320

X=320/4

x =  80

Angles are 80°,80°,

then x + 20 = 80 +20 = 100° , 100°

Answer 2

Answer:

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