3 years ago

A triangle has sides represented by 7, x, and x−1. If the perimeter is 28, find the length of the longest side.

Mathematics

1 answer:

aleksley [76]3 years ago

3 0

Answer:

x (11 unit) is the longest side

Step-by-step explanation:

Given:

Sides;

7, x, and x−1

Perimeter = 28

Find:

Longest side

Computation:

Perimeter = sum of all sides

So,

7 + x + (x -1) = 28

2x + 6 = 28

x = 11

So,

x -1 = 11 - 1 = 10 unit

x (11 unit) is the longest side

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