Question

if one angle of a parallelogram is 90° then it will be _____________.​

Answer 1

Step-by-step explanation:

From the above theorem, it can be derived that if one angle of a parallelogram is equal to 90 degrees, then all four angles are equal to 90 degrees. Therefore, it will become a rectangle. If one angle is a 90 degrees, then all four angles 90 degrees: Since, the adjacent sides are supplementary