anonymous
  • anonymous
Find the unknown side length for the triangle. Area = 18 cm² A. 9 cm B. 14 cm C. 18 cm D. 36 cm posting pic below
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
|dw:1447187204171:dw|
anonymous
  • anonymous
@jango_IN_DTOWN
anonymous
  • anonymous
The equation for the area of a triangle: A =1/2 x b x h

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More answers

anonymous
  • anonymous
From that, you can work out the bottom length. Try to do that first
jango_IN_DTOWN
  • jango_IN_DTOWN
Its a right angled triangle?
anonymous
  • anonymous
yeah the pic is above @jango_IN_DTOWN
jango_IN_DTOWN
  • jango_IN_DTOWN
ok|dw:1447180202807:dw|
jango_IN_DTOWN
  • jango_IN_DTOWN
let the base be b then by the given data 18=4b/2 implies 2b=18 implies b=9
anonymous
  • anonymous
what is the answer im trying to pass test @jango_IN_DTOWN
jango_IN_DTOWN
  • jango_IN_DTOWN
now the hypotenuse is given by \[\sqrt{b^2+h^2}=\sqrt{9^2+4^2}=\sqrt{97}\]
jango_IN_DTOWN
  • jango_IN_DTOWN
the options are not matching
RCCB
  • RCCB
just take 4, multiply it by 9, then divide it by 2, if that doesn't work try B just take 4, multiply it by 14, then divide it by 2, and continue until you get 18

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