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31 July, 09:53

An equilateral triangular tent has sides that measure x-10 units. Its perimeter is 63 units.

What is the value of x?

Enter your answer in the box.

x = ?

+3
Answers (2)
  1. 31 July, 10:12
    0
    An equilateral triangle's sides are all equal. So you can set up the following equation and solve.

    3 (x-10) = 63

    x-10=21

    x=31
  2. 31 July, 10:17
    0
    An equilateral triangle has 3 equal sides. The perimeter would equal all of those sides added together. So divide 63 by 3

    63/3=21

    21 is equal to one side. One side is equal to x-10. So set them equal to each other

    21=x-10

    solve

    x=31
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