Question

prove that rectangle ​

Answer 1

Answer:

Theorem 6: A parallelogram is a rectangle if and only if the diagonals are the same length.

Since this is an "if and only if" proof, there are two things to prove. Given: ABCD is a rectangle. To prove: AC = BD.

and the converse. Given: ABCD is a parallelogram, AC = BD. To prove: ABCD is a rectangle.

Answer 2

Answer:

rectangle all angles are 90 degree and opposite side are also equal.