anonymous
  • anonymous
If AC = 36 and BC = 18, find AD. Round to the nearest tenth, if necessary. How do I set up the equation?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
anonymous
  • anonymous
you can use the rule a squared + b squared = c squared. where a and b are the shorter lengths of the right-angled triangle and c is the length of the hypotenuse. because you already have the lengths of AC and BC, you can easily find AB. then using AB, you can do the next step. make sense?
anonymous
  • anonymous
How do I figure out the measurements of a and b?

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anonymous
  • anonymous
|dw:1438406397050:dw| you already have the lengths of A and C ... you're given them in the question.
rhr12
  • rhr12
AC/AB = AB/AD then plug in the info we know 36/(18*sqrt(3)) = (18*sqrt(3))/AD and then solve for AD
rhr12
  • rhr12
36*AD = (18*sqrt(3))(18*sqrt(3)) 36*AD = 18*18*sqrt(3)*sqrt(3) 36*AD = 18^2*(sqrt(3))^2 36*AD = 324*3 36*AD = 972 I'll let you finish
wolf1728
  • wolf1728
Side AB^2 = 36^2 -18^2
rhr12
  • rhr12
@jillina29 get it?
anonymous
  • anonymous
ohh yes thank you! @rhr12
wolf1728
  • wolf1728
So do you have an answer?
anonymous
  • anonymous
I have to resolve the problem because I multiplied wrong, but I almost got it

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