anonymous
  • anonymous
The perimeter of the triangle with sides 5cm , 6cm and x cm is less than 18cm. Given that the sum of any two of the sides is always greater than the third side, find the range of values of x.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
5 + 6 + x < 18 11 + x < 18 x<7 im not quite sure though :)
anonymous
  • anonymous
That's what i did and it's WRONG.
anonymous
  • anonymous
hmmm why?

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More answers

anonymous
  • anonymous
answer is 1
anonymous
  • anonymous
how'd you get it? i dont seem to understand something about it
anonymous
  • anonymous
Because you and i made the same mistake, we only read the first part of the question and "ignore" the second sentence.
anonymous
  • anonymous
5+6+x<18 11+x<18 x<7
anonymous
  • anonymous
so it must be 1
anonymous
  • anonymous
@Sgstudent keep rocking
anonymous
  • anonymous
yea it must be 1
anonymous
  • anonymous
how did we get that?
anonymous
  • anonymous
so 5 +6 > x ??
anonymous
  • anonymous
i showed ya up there
anonymous
  • anonymous
why is it 1
anonymous
  • anonymous
sum of three sides is less than 18 5+6+x<18 subtract 11 on both sides x<7 now it cant be 0 or a negative integer
anonymous
  • anonymous
waah i dont get it T.T where'd you get the 1?
anonymous
  • anonymous
same here
anonymous
  • anonymous
where would you get the 1 sir?
anonymous
  • anonymous
well look if it will be less than 1 then sum of two sides wont be greater than the third side ;)
anonymous
  • anonymous
that's like trail and error.
anonymous
  • anonymous
nvm if you cant explain how did you got the 1.
anonymous
  • anonymous
I get it already :)
anonymous
  • anonymous
i think i understood it already see if the othe side is 1 then 5 + 1 would be equal to 6 right? since we need the third to be greater and not equal to the sum then we use 2 and 2 is greater than 1 so if we would put it in a situation where x = 2 then we'll get 5 + 6 + 2 < 18 13 < 18 5+6 > 2 11 >2 5+2 > 6 7>6 6 + 2 > 5 8 > 5
anonymous
  • anonymous
great :)
anonymous
  • anonymous
We must fulfill the second sentence criteria to find the range of values of x hence, the range would be 1

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