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21 March, 20:52

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 = ?

+1
Answers (2)
  1. 21 March, 23:48
    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. 21 March, 23:58
    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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