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WINSTONCH [101]
3 years ago
5

△STU is an equalateral triangle, if ST is one less than twice x, SU Is 37 less than 5 times x, and TU is 11 more than x, find x

and the measurement of each side ​
Mathematics
1 answer:
miskamm [114]3 years ago
4 0

Answer:

x = 12, sides = 23

Step-by-step explanation:

\overline{ST}=2x-1\\\overline{SU}=5x-37\\\overline{TU}=x+11

Since \triangle{STU} is equilateral, all three sides are equal. Therefore:

\left[\begin{array}{l}y=2x-1\\y=5x-37\\y=x+11\end{array}\right]

Substituting y = x + 11:

\left[\begin{array}{l}x+11=2x-1\\x+11=5x-37\end{array}\right]

Solving for x:

x+11=2x-1\\11=x-1\\12=x

Substituting x = 12:

y=x+11\\y=12+11\\y=23

Thus, <em>x</em> = 12 and the length of each side is 23.

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