anonymous
  • anonymous
can someone hep me with this one question
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
anonymous
  • anonymous
so i decided to split it into two parallelograms
anonymous
  • anonymous
or does that not work?

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anonymous
  • anonymous
start with drawing line between A and C
anonymous
  • anonymous
okay
Rhystic
  • Rhystic
two parallelograms will not work as in a parallogram the opposite sides need ot be of equal length. You can approach it multiple ways. Easiast in my opinion would be to just make 4 triangles.
anonymous
  • anonymous
yeah thats what i did at first
anonymous
  • anonymous
i drew lines between B an F, C and F, and P and F
anonymous
  • anonymous
ok put a point a (-2,3) and draw a line between this* point and point F *This point let me show you
anonymous
  • anonymous
|dw:1434043280372:dw|
anonymous
  • anonymous
Thats a bad diagram :P hope u can relate something
anonymous
  • anonymous
so lets day i wanted to start with the triangle A,f,(-2,3)
anonymous
  • anonymous
a,-2,3 would be the height?
anonymous
  • anonymous
yep, look for some shapes you recognize and that you know how to find the area of . Going further it will look like.
anonymous
  • anonymous
ok and base would be the -2,3 ,F
anonymous
  • anonymous
i would need to find the distance for both of those right?
anonymous
  • anonymous
...
anonymous
  • anonymous
|dw:1434043605717:dw|
anonymous
  • anonymous
yeah co ordinates are mentioned accordingly u can find out length or distances
anonymous
  • anonymous
ok so im gonna star out with the firs triangle
anonymous
  • anonymous
yeah u mean ABC
anonymous
  • anonymous
the right triangle i was asking about earlier
anonymous
  • anonymous
A, -2,3, f
anonymous
  • anonymous
yeah fine.. go on
anonymous
  • anonymous
ok im gonna find the distance of a and -2,3
anonymous
  • anonymous
apparently, yes
anonymous
  • anonymous
Hope from here u can proceed... after you add up the areas, you get the final answer, the area of the entire shape. :)
anonymous
  • anonymous
so the distance is 3?
anonymous
  • anonymous
i just need someone to make sure im correct
anonymous
  • anonymous
yeah AF is 3.. what will be area of triangle AGF
anonymous
  • anonymous
both height and base is 3 so it would be 1/2x3x3=4.5
anonymous
  • anonymous
cool genius. right. Further , go for ABC
anonymous
  • anonymous
so for abc what is the base and height?
anonymous
  • anonymous
you can use distance formula, right
anonymous
  • anonymous
yes but idk which lines is the base and height for the triangle after i do the distance formula and start to do the area
anonymous
  • anonymous
ok it will be complicated go for base*height formula... calc height and base
anonymous
  • anonymous
draw perpendicular from B to the base. coordinates are mentioned.. you will get trough distance formula
anonymous
  • anonymous
I got height as 3. see what u got
anonymous
  • anonymous
wait so we made it into a smaller triangle?
anonymous
  • anonymous
we have just calculated height and base AC. nothing else.
anonymous
  • anonymous
|dw:1434044944536:dw|
anonymous
  • anonymous
wait i think i got this! im gonna do it and tag you in another post with my full answer
anonymous
  • anonymous
ohk.. good luck.
anonymous
  • anonymous
According to my calc, these are the final values .... Area of ABC= 13.5 Area of AGF=4.5 Area of CGHD=36 Area of HED=3 Adding up gives final answer.... @king_kong_killer

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