anonymous
  • anonymous
Fine the measures of the numbered angles and then find area ( Rhombus)
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
figure?
anonymous
  • anonymous
sorry that wasnt my question but I can post it
anonymous
  • anonymous
my picture
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anonymous
  • anonymous
sorry, figure is quite not clear
anonymous
  • anonymous
its number 7 http://www.ocs.cnyric.org/webpages/jmelfi/files/GE09S3P1.PDF
anonymous
  • anonymous
|dw:1359428413420:dw|
anonymous
  • anonymous
how did you get that
anonymous
  • anonymous
|dw:1359428663385:dw|
anonymous
  • anonymous
Now, AREA of rhombus =4*1/2 *4/2 *7/2
whpalmer4
  • whpalmer4
A different way to the same result: the diagonal of the rhombus bisects the angles, so we have pairs of 30 angles at each narrow end, and the sum of the interior angles must be (4-2)*180 = 360, and we've already accounted for 4*30 = 120 of that, so that leaves (360-120)/2 = 120 for each pair on the blunt angles, or 60 each.
anonymous
  • anonymous
dont you do 1/2 d1*d2
whpalmer4
  • whpalmer4
Yes, the area of a rhombus is given by \(\frac{1}{2}d_1d_2\) so all you need now is the lengths of the two diagonals. Do you know them?
anonymous
  • anonymous
is it 1/2 16*14=112
whpalmer4
  • whpalmer4
Looks to me like the half diagonals are 7m and 4m, aren't they? So 14 and 8 would be the full diagonals?
anonymous
  • anonymous
yes your right so then u would slove it then get 56 as answer
whpalmer4
  • whpalmer4
Yes, I believe that is correct.
anonymous
  • anonymous
ok

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