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Elementary Geometry for College St...
Solutions
Elementary Geometry for College St...
In a triangle of perimeter 76 in., the length of the first side is twice the length of the second side, and the length of the third side is 12 in. more than the length of the second side. Find the lengths of the three sides.
To Find:
The length of the three sides of the triangle when it’s perimeter and relations are provided.
Formula Used:
The perimeter of a polygon is the sum of the lengths of all sides of the polygon.
Calculation:
It is given that the triangle of perimeter 76 in.
Also given that the length of the first side is twice the length of the second side.
Let the length of the second side be
Then, the length of the first side must be
It is also given that the length of the third side is 12 in. more than the length of the second side. Therefore, the length of the third side must be
Perimeter of the triangle provided
This must be equal to 76
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