a.
To find: The interior
a.
Answer to Problem 2WE
The interior angle sum for pentagon is
Explanation of Solution
Given information: The interior angle sum for pentagon.
Theorem used:
“The sum of the measures of the angles of a convex
It is known that the pentagon has 5 sides.
By using the theorem, find the interior angle sum for pentagon as follows.
Thus, the interior angle sum for pentagon is
b.
To find: The exterior angle sum for pentagon.
b.
Answer to Problem 2WE
The exterior angle sum for pentagon is
Explanation of Solution
Given information: The exterior angle sum for pentagon.
Theorem used:
“The sum of the measures of the exterior angles of any convex polygon one angle at each vertex, is
By using the above mentioned theorem, the exterior angle sum for pentagon is
Thus, the enterior angle sum for pentagon is
Chapter 3 Solutions
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