anonymous
  • anonymous
the length of the hypotenuse of a 30 60 90 triangle is 7. find the perimeter
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Zale101
  • Zale101
What is 30-60-90 triangle as ratios?
anonymous
  • anonymous
what do you mean?
anonymous
  • anonymous
hello?

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More answers

Zale101
  • Zale101
|dw:1433470180649:dw|
Zale101
  • Zale101
2x= is the hypotenuse x=shortest side x*\(\sqrt{3}\)= other side
Zale101
  • Zale101
What is the hypotenuse based off of your question?
anonymous
  • anonymous
7
Zale101
  • Zale101
|dw:1433470414864:dw|
Zale101
  • Zale101
|dw:1433470453328:dw|
Zale101
  • Zale101
2x= Hypotenuse so 2x=7 makes sense?
anonymous
  • anonymous
yes
anonymous
  • anonymous
so x is 3.5
Zale101
  • Zale101
Yes! :) and x=shortest side so what is the shortest side? :)
anonymous
  • anonymous
3.5
Zale101
  • Zale101
Bravo!
Zale101
  • Zale101
|dw:1433470603128:dw| Where is 3.5 in here?
anonymous
  • anonymous
like i understand that but my answer choices are written weird, ill show you
Zale101
  • Zale101
Okay
anonymous
  • anonymous
a.7/2+21/2 sqrt 3 b. 21+7 sqrt 3 c. 7+21 sqrt 3 d.21/2 + 7/2 sqrt 3
Zale101
  • Zale101
Your question is looking for the perimeter and the perimeter is when you add all the sides of the shape. We are looking for the sides of the triangle when the hypotenuse is 7 |dw:1433470973918:dw|
Zale101
  • Zale101
|dw:1433471021623:dw|
Zale101
  • Zale101
Your choices are written in a way of the result of finding the perimeter.
anonymous
  • anonymous
ohh okok
Zale101
  • Zale101
|dw:1433471207953:dw| What is the length of the bottom of the leg, we know the leg is \(x*\sqrt{3}=bottom~~leg\)
anonymous
  • anonymous
3.5 sqrt 3
Zale101
  • Zale101
Yes :)
Zale101
  • Zale101
Hypotenuse=7 right side leg= 3.5 bottom leg=3.5* sqrt(3)
Zale101
  • Zale101
How do you solve the perimeter now, what do you do?
anonymous
  • anonymous
add all sides
anonymous
  • anonymous
@Zale101
Zale101
  • Zale101
yep, you got it now
anonymous
  • anonymous
i still dont understand how that turns out to be one of the answer choices though @zale101
Zale101
  • Zale101
\(\LARGE \frac{7}{2}+7+\frac{7}{2}\sqrt{3}\) this is your perimeter But if we add \(\large\frac{7}{2}+7\) \(\Large\frac{7}{2}+\frac{7}{1}=\frac{7+14}{2}=\frac{21}{2}\) So, we will end up with \(\LARGE \frac{21}{2}+\frac{7}{2}\sqrt{3}\) as your simplified perimeter
Zale101
  • Zale101
a.7/2+21/2 sqrt 3 b. 21+7 sqrt 3 c. 7+21 sqrt 3 d.21/2 + 7/2 sqrt 3 <-------- Your Perimeter was hidden here (but simplified )

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