Question

If Angle a and angel b are adjacent in a parallelogram if angle a =80 find angle b
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Answer 1

angle b=100°

because sum of adjacent angles=180°

a°+b°=180°

80°+b=180°

b=100°

Answer 2

Answer:

100°

Step-by-step explanation:

Adjacent angles of parallelogram are 180°

So, angle A=80°

To find B,

A+B=180°

80°+B=180°

B=180°-80°

B=100°

Hence, the angle B is 100°

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