anonymous
  • anonymous
The lengths of two sides of a triangle are 10 inches and 4 inches. Which of the following dimensions is the third side of this triangle? 4 inches 5 inches 6 inches 7 inches
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
@Vocaloid @welshfella @Study_together
Study_together
  • Study_together
I am pretty sure it is 7 because the average of numbers 10 and 4 is 7
Study_together
  • Study_together
\[Average=10+4\div2\]

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mathstudent55
  • mathstudent55
This has nothing to do with average.
Study_together
  • Study_together
So how come there is an option 7
mathstudent55
  • mathstudent55
The rule is that the sum of the lengths of any two sides of a triangle has to be greater than the length of the third side.
Study_together
  • Study_together
Yeah, sry, I didn't try that
anonymous
  • anonymous
is it 7
Study_together
  • Study_together
You are right!! :0 Really sorry
Study_together
  • Study_together
@mathstudent55
anonymous
  • anonymous
isi t 7777777777777777777777777777777777
Study_together
  • Study_together
How did you get that answer : )]
mathstudent55
  • mathstudent55
You are given 10 and 4 If you choose 4, you have 10, 4, 4. This cannot be bec 4 + 4 is not greater than 10. If you choose 5, you have 10, 4, 5. This cannot be bec 4 + 5 is not greater than 10. If you choose 6, you have 10, 4, 6. This cannot be bec 4 + 6 is not greater than 10. If you choose 7, you have 10, 4, 7. This is the answer bec all the inequalities below are true: \(4 + 7 \gt 10\) \(10 + 7 \gt 4\) \(4 + 10 \gt 7\)
mathstudent55
  • mathstudent55
Yes, the answer is 7, but because of the reason I explained above.

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