Question

two adjacent angles of a parallelogram are equal .find the measures of all the angles of the parallelogram.​

Answer 1

sum of all angles of quadrilateral is 360°

<A+<B+<C+<D=360°

x+x+x+x=360°

4x=360

x=360/4

x=90

:<A=<B=<C=<D=X=90°

Thus Each angle is 90°