Question

Abcd is a parallelogram in which angle is equal to 70 degree computer angle b and angle c and angle d

Answer 1

a+b=180 degree                As adjacent angles of a parallelogram are supplementary.

b=110 degree

a=c=70 degree         As opposite angles of a parallelogram are equal.

b=d=110 degree

Hence b=110 degree c=70 degree and d=110 degree

Hope this answer helps...

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