body{margin:0;} noscript{z-index: 10000; position: fixed; display: block; height: 100%; width: 100%; background: #fff;} noscript .fa{font-size: 40px; display:block; color: #daa520;} noscript div{margin-top: 6%; padding-left: 20px; padding-right: 20px; text-align: center;} ! You must have JavaScript enabled to use this site.

Pearson Geometry Common Core, 2011

PG

Pearson Geometry Common Core, 2011 View details

Chapter Test

Continue to next subchapter

Exercise 15 Page 425

Consider the theorems that help us determine if a quadrilateral is a parallelogram.

Yes, see solution.

Practice makes perfect

Let's consider the given information.

Recall that the related theorem states that if both pairs of opposite angles of a quadrilateral are congruent, then the quadrilateral is a parallelogram. From here, we can conclude that ABCD is a parallelogram.