anonymous
  • anonymous
Help Plez i will fan u ->>> i need it explained plez
Mathematics
chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
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anonymous
  • anonymous
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anonymous
  • anonymous
wish i could help but dont know srry
anonymous
  • anonymous
its ok

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anonymous
  • anonymous
ok
RealityWillSlapYou
  • RealityWillSlapYou
Did you try Googling those?
anonymous
  • anonymous
no it dont help me
RealityWillSlapYou
  • RealityWillSlapYou
Mmmm.... okay hang on and let me see if I can help :)
anonymous
  • anonymous
kk
RealityWillSlapYou
  • RealityWillSlapYou
Question 1: The shorter leg is 30 degrees so, 3 times the length of the shorter leg put into a quick equation is 30 x 3. So what is 30 x 3?
RealityWillSlapYou
  • RealityWillSlapYou
30 x 3 = 90. So that is why question 1 is 3 times the length of the shorter leg
RealityWillSlapYou
  • RealityWillSlapYou
I'm not sure how to explain question 2. Sorry :(
anonymous
  • anonymous
its ok
hartnn
  • hartnn
do you know pythagoras theorem ?
anonymous
  • anonymous
no
hartnn
  • hartnn
in a right angled triangle, by pythagoras theorem, |dw:1359742322102:dw|
anonymous
  • anonymous
kk
hartnn
  • hartnn
for 45-45-90 triangle, since 2 angles are equal, the two legs will be equal.|dw:1359742414724:dw|
hartnn
  • hartnn
before that, you know what a hypotenuse is ?
anonymous
  • anonymous
no
anonymous
  • anonymous
@hartnn
anonymous
  • anonymous
ratios of a 30 - 60 - 90 right triangle are \[1:\sqrt{3}:2\] for short side : long side : hypotenuse
anonymous
  • anonymous
|dw:1359744962959:dw|
anonymous
  • anonymous
this tell you the longer leg is \(\sqrt{3}\) times the shorter leg
anonymous
  • anonymous
for a 45 - 45 - 90 triangle ratios are \[1:1:\sqrt2\]
anonymous
  • anonymous
in other words, both legs are the same length (since it is an isosceles triangle) and the hypotenuse has length \(\sqrt{2}s\) is \(s\) is the length of the side
anonymous
  • anonymous
thanks
anonymous
  • anonymous
@satellite73
anonymous
  • anonymous
@ritez
anonymous
  • anonymous
i still dont get it
anonymous
  • anonymous
@chrisshort and @ritez get on webex

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