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Nikolay [14]
3 years ago
12

A homeowner wants several small dormers built on his roof to admit light. They will be in the shape of isosceles triangles whose

sides will exceed their base by 5 in. If the perimeter is 100 in., what are the lengths of the three sides? The base is and the equal sides are .
Mathematics
1 answer:
Vlad1618 [11]3 years ago
4 0
P = s + (s + 5) + (s + 5) This represents the two sides that are 5 inches longer than the base (s + 5) and the base (s).
Simplifying.
100 = 3s + 10
subtract 10 from both sides
 90 = 3s
divide both sides by 3
30 = s
base = 30
sides = 35

CHECK 30 + 35 + 35 = 100

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<em>Hopefully this is correct. Good luck with your studies.</em>

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The answers to the questions are;

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