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two sides of a triangle are equal length, and the third side is 4 inches. if the perimeter is 18 inches, how long are the two equal sides?

Respuesta :

artsypurplepand

Let's say the two equal sides are labeled x.


The perimeter equals x+x+4=18.


Now we solve for x:


x+x+4=18 → 2x+4=18 → 2x=18-4 → 2x=14 → x=14/2 → x=7.



So, the length of the two equal sides is 7 inches each.


Have a great day!

suspho

hi


18 - 4 = 14 and you find the sum,

14 : 2 = 7 and you find the single length


(18 - 4) : 2 =


7 is your answer


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