anonymous
  • anonymous
NEED HELP PLEASE! WILL GIVE MEDAL! Find the area of the figure. Assume the figure is made up of parallelograms and triangles. https://static.k12.com/calms_media/media/1388500_1389000/1388544/1/b1ac4b603a5882e8a1b2624f0038c6c16752a94b/62367_FGA_U3_L7_V3_P.jpg A. 360 mm² B. 390 mm² C. 420 mm² D. 450 mm²
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
plz help!
anonymous
  • anonymous
i think its a l*w*h
anonymous
  • anonymous
ummmm well i don't think it is........ actually IDK!

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More answers

welshfella
  • welshfella
the area of the rectangle is 12 * 24 and the triangle area is 0.5 * base * height
anonymous
  • anonymous
ok?
anonymous
  • anonymous
he mean 12*24
welshfella
  • welshfella
the base of the triangle is 36-24
anonymous
  • anonymous
ok so then if we do 36-24 then it is 12
welshfella
  • welshfella
yea so you now can find the area of the rectangle and area triangle and add them together
anonymous
  • anonymous
then do we do 12 times 24 to get 288 then and add 12?
anonymous
  • anonymous
@welshfella
welshfella
  • welshfella
No 288 is the area of the rectangle That is correct Now you need to find the area of the triangle 12 is the length of its base and its height is also 12 so you find the area of triangle using Area = 0.5 * base* height
anonymous
  • anonymous
ok
anonymous
  • anonymous
so do we do 12 times 12 divided by 2?
welshfella
  • welshfella
yes then add the result to 288 to give you the final answer.
anonymous
  • anonymous
ok so the answer is 360 which is A?
welshfella
  • welshfella
correct
anonymous
  • anonymous
thxs both of you!
welshfella
  • welshfella
yw
anonymous
  • anonymous
can u stay a bit more so you could help me with other questions?
anonymous
  • anonymous
What is the area of the shaded part of the figure? https://static.k12.com/calms_media/media/1388500_1389000/1388547/1/817a155e30a5af16f0260c998360b83c3a0da25a/62368_FGA_U3_L7_V3_P.jpg A. 324 mm² B. 243 mm² C. 162 mm² D. 81 mm²
anonymous
  • anonymous
@welshfella
welshfella
  • welshfella
you should be able to do this one using the same formula as the first one The area of the square inside the triangle = 9 * 9' and the area of the triangle = (height * base) / 2 Then to get area of shaded part its area triangle - area of the square
welshfella
  • welshfella
AS you can see from the diagram the length of the base of triangle = 18 and the height = 8 mm

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