Question

ABCD is a parallelogram such that it's diagonala are equal what is the measures of angle ABC​

Answer 1

Step-by-step explanation:

In a parallelogram if two diagonals are equal, then the parallelogram is a rectangle.So, ABCD is a rectangle.It is known that each interior angle of a rectangle is 90 degree. Since ABC is an interior angle of rectangle ABCD, so measure of angle ABC is 90 degree.

Answer 2

Answer:

then the angle would be 90 degrees

Step-by-step explanation:

because if the diagonal are equal then it should be a square or rectangle