Chapter 4.2, Problem 1E

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6th Edition

Daniel C. Alexander + 1 other

ISBN: 9781285195698

Textbook Problem

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Note: Exercises preceded by an asterisk are of a more challenging nature.

a) As shown, must quadrilateral ABCD be a parallelogram?

To determine

a)

**To check:**

Whether the given quadrilateral is a parallelogram.

Explanation

Given,

ABCD is a quadrilateral.

Draw the diagonal

Now, we have two triangles

To determine

b)

Whether the measure of

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