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Two sides of a triangle are equal in length. The third side of the triangle is 3 more than the equal sides. If the perimeter of the triangle is 48, what is the length of the longest side?

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User Dwi
by
7.6k points

2 Answers

9 votes

Answer:

18

Explanation:

The two smaller sides are 15 and the larger one is 18

User Yasin
by
7.4k points
3 votes

Answer:

  • 18

Explanation:

Let the length of equal sides be x, then the perimeter is:

  • 2x + (x + 3) = 48
  • 3x + 3 = 48
  • 3x = 45
  • x = 15

The longest side is:

  • 15 + 3 = 18
User Hoshouns
by
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