anonymous
  • anonymous
Challenge! Ready? the length of the hypotenuse of a 30 degrees-60 degrees-90 degrees triangle is 18. What is the perimeter?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
There is no diagram.
TylerD
  • TylerD
|dw:1438077107588:dw|
TylerD
  • TylerD
first gotta solve for y and x

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More answers

TylerD
  • TylerD
so sin(theta)=opp/hyp which means hyp x sin(theta) = opp
TylerD
  • TylerD
so to solve for Y, you could say 18sin(30) = Y
TylerD
  • TylerD
to solve for X, you could say 18sin(60) = X
TylerD
  • TylerD
then to find the perimeter, you add X + Y + 18
anonymous
  • anonymous
Right.
anonymous
  • anonymous
Need the answer.
welshfella
  • welshfella
its worth remembering the ratios of the 3 sides in this particular triangle if the hypotenuse is 2 then the other sides sre |dw:1438079506282:dw|
welshfella
  • welshfella
so to work out the smallest side 1 /2 = x / 18 solve for x
welshfella
  • welshfella
and for the longest leg sqrt3 / 2 = x / 18
anonymous
  • anonymous
Nice.
welshfella
  • welshfella
so for the last one x = (sqrt3 * 18) / 2
welshfella
  • welshfella
so can you work out the measure of the 2 legs?
welshfella
  • welshfella
just grab a calculator and enter the numbers
anonymous
  • anonymous
Eh. I don't have one shoot.
anonymous
  • anonymous
hold up
anonymous
  • anonymous
This a challenge question anyways, okay I have the answer.
hwyl
  • hwyl
|dw:1438081730010:dw|
hwyl
  • hwyl
|dw:1438082284372:dw|

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