anonymous
  • anonymous
A right triangle’s hypotenuse is 20 cm long. What is the length of the side opposite a 60° angle? Give your answer to the nearest tenth of a centimeter. 40 18.5 20 17.3
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Hero
  • Hero
Hint: Draw a picture of the situation first
anonymous
  • anonymous
i still don't understand, i have a really bad problem with math, so could you show me how to do it
Callisto
  • Callisto
|dw:1333423020727:dw| x is the side you need to find You can use sine law to find it sinA sin B ---- = ------ a b Put A =90, a=20, B = 60 into the equation and solve for b, can you do it from here? PS, if you're confused, b is actually x i marked in the fig.

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anonymous
  • anonymous
I think it's 40, am i right?
Callisto
  • Callisto
Perhaps not? sin 90 sin 60 ------ = ------- 20 b 1 sqrt(3) / 2 -- = ---------- 20 b Can you do it again?
Callisto
  • Callisto
Note, in a right angle triangle, hypotenuse is the longest side... So it is impossible to find a side longer than that in the same triangle
anonymous
  • anonymous
17.3?
Callisto
  • Callisto
yup, i think so, but do you understand that?
anonymous
  • anonymous
yeah now i do

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