Question

abcd is a parallelogram and a =80 degree. find other angles of parallelogram. ​

Answer 1

Answer:

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Answer 2

Answer:

a = 80°

b = 100°

c = 80°

d = 100°

Step-by-step explanation:

We know that, Opposite sides of Parallelogram is Equal. -》(i)

Also, Sum of Co interior angle is 180°. -》 (ii)

Therefore,

a = c = 80° [from eq. (i)]

a + b = 180° [from eq. (ii)]

80 + b = 180°

b = 180 - 80°

{b = 100°}

similarly, {d = 100°}