One side of a triangle is half the longest side. The third side is 8 meters less than the longest side. The perimeter is 57 meters. Find all three side

Question

anonymous · Answer

i have the equation
i have trouble executing it

hero · Answer

el plus (one half el) plus (el minus eight) equal fifty seven

anonymous · Answer

57=(x/2+x+x-8)^2

anonymous · Answer

seem correct?

hero · Answer

What are you squaring it for?

anonymous · Answer

idk, my teacher did.

hero · Answer

Don't confuse perimeter with area

anonymous · Answer

in his example he squared both sides

hero · Answer

It was a different problem. Sometimes, different problems call for different solving methods. Here, we're just adding sides.

anonymous · Answer

oo ok

anonymous · Answer

so was my orignal equation correct if i dont square it?

hero · Answer

I wrote it for you already

anonymous · Answer

i dont understand :(

hero · Answer

|dw:1324172976215:dw|

L + (L-8) + L/2 = 57