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Answer:
The expression represents the perimeter, in centimeters of the obtuse triangle.
Step-by-step explanation:
An obtuse triangle is a triangle where one of the internal angles is obtuse (greater than 90 degrees).
The perimeter of a triangle is the total distance around the outside of a triangle, which can be found by adding together the length of each side. Or as a formula:
where:
<em>a, b</em> and <em>c</em> are the lengths of each side of the triangle.
We know that the triangle has side lengths of ,
and
centimeters. Therefore, the perimeter is