   Chapter 4.4, Problem 1E Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085

Solutions

Chapter
Section Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085
Textbook Problem

Find the measures of the remaining angles of trapezoid ABCD (not shown) if A B ¯ | | D C ¯ and m ∠ A = 58 ° and m ∠ C = 125 ° .

To determine

To Find:

The angles of a trapezoid.

Explanation

Consider the following trapezoid.

It is given that AB¯||DC¯ and mA=58° and mC=125°.

When AB¯||DC¯, the angles mAandmD are supplementary.

It means mA+mD=180°.

Substitute mA=58°.

Now, 58°+mD=180°

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