Question

plz answer the 2nd question question

Answer 1

we know that any two adjacent angles of parallelogram are supplementary i.e. they sum up to 180 degree.

here the two adjacent angles are congruent or equal,

let one angle be x, the other  adjacent angle will also be x as both are equal.

                                                            x+x=180

                                                             2x=180

                                                            x=180/2

                                                            x=90

therefore each angle will be equal to 90 degrees.