Answer
900
Work Step by Step
We can find the sum of the interior angles by using the formula:
$sum = 180 * (n-2)$ where "n" represents the number of sides.
Therefore, we are left with,
$sum = 180 * (7-2)$
$sum = 900$
Geometry: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281159
ISBN 13:
978-0-13328-115-6
Chapter 6 - Polygons and Quadrilaterals - 6-1 The Polygon Angle-Sum Theorems - Practice and Problem-Solving Exercises - Page 356: 7
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