Chapter 4.3, Problem 37E

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7th Edition

Alexander + 2 others

ISBN: 9781337614085

Textbook Problem

*In Exercises 34 to 39, write a formal proof of each theorem.*

If the diagonals of parallelogram are perpendicular, the parallelogram is a rhombus.

To determine

**To write:**

A formal proof of the given theorem.

Explanation

**Calculation:**

**Given:** If the diagonals of parallelogram are perpendicular, the parallelogram is a rhombus.

Consider the parallelogram ABCD.

In

AO = AO,

BO = OD (the diagonals of parallelogram)

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