anonymous
  • anonymous
Find the length of the hypotenuse of a right triangle if a = 3 and b = 4. Use: a2 + b2 = c2 5 Square root of 7 25 7
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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johnweldon1993
  • johnweldon1993
Right, so you have 3 sides of the triangle.... a = one side b = another side c = the hypotenuse (longest side) if you have 2 sides of the triangle and want to solve for the other...you can use that equation a² + b² = c² so you can plug in 3 for 'a' 4 for 'b' and solve for c 3² + 4² = c² so to solve for c \[c = \sqrt{3^2 + 4^2}\]
anonymous
  • anonymous
25?
anonymous
  • anonymous
@johnweldon1993

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johnweldon1993
  • johnweldon1993
√25 now
johnweldon1993
  • johnweldon1993
what you had so far was 3² + 4² ...that does = 25 now you do the square root of that 25....
anonymous
  • anonymous
Thanks.... Could you help me with a couple more? @johnweldon1993
johnweldon1993
  • johnweldon1993
if I can then yes :)
anonymous
  • anonymous
Would the square root of 5 be 5?
johnweldon1993
  • johnweldon1993
the square root of 25 is 5... the square root of 5 is NOT 5
anonymous
  • anonymous
Your confusing me...
anonymous
  • anonymous
@johnweldon1993
johnweldon1993
  • johnweldon1993
This is still on that first question correct?
anonymous
  • anonymous
Yeah... So the answer is 5 not 25?
johnweldon1993
  • johnweldon1993
The answer is 5 yes
anonymous
  • anonymous
@johnweldon1993
johnweldon1993
  • johnweldon1993
\[c = \sqrt{3^2 + 4^2}\] \[c = \sqrt{9 + 16}\] \[c = \sqrt{25}\] \[\sqrt{25} = 5\] better?

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