Question

ABCD is a parallelogram in which angle a is 75 degree find angle a b c d

Answer 1

Answer:

Angle a is 75 degree.

Angle c will be equal to angle a because opposite angles of a parallelogram are equal. Therefore angle c is 75 degree.

Angle b+ angle a = 180 degree because consecutive angles in a parallelogram are supplementary.

Therefore angle b +75= 180

Angle b = 105 degree

Angle d will be equal to angle b because opposite angles of parallelogram are equal .

Therefore angle d = 105 degree

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