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OpenStudy (anonymous):
OpenStudy (anonymous):
Answer choices
24.6 square units
25.8 square units
26.3 square units
27.5 square units
OpenStudy (anonymous):
Go on wolfram alpha
OpenStudy (anonymous):
its faster
jigglypuff314 (jigglypuff314):
http://prntscr.com/321k0s
so you have a 3 by 3 triangle
a 2 by 3 rectangle
another 3 by 3 triangle
a 4 by 5 triangle
and a 1 by 5 triangle
area of triangle = (1/2)(base)(height)
area of rectangle = (base)(height)
so total area = all added up
-> (1/2)(3)(3) + (2)(3) + (1/2)(3)(3) + (1/2)(4)(5) + (1/2)(1)(5) = ?
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OpenStudy (anonymous):
I dont know im confused :( @jigglypuff314
jigglypuff314 (jigglypuff314):
did you see how I split up the picture into pieces?
I'm basically just taking the area apart into shapes that I can find the area of, then adding it back together
(1/2)(3)(3) + (2)(3) + (1/2)(3)(3) + (1/2)(4)(5) + (1/2)(1)(5) = ?
OpenStudy (anonymous):
= 27.5 ? is that the answer
jigglypuff314 (jigglypuff314):
that's what I got :)
OpenStudy (anonymous):
thanks ! @jigglypuff314
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jigglypuff314 (jigglypuff314):
you're welcome :)
OpenStudy (anonymous):
OpenStudy (anonymous):
Find the perimeter of the image below:
OpenStudy (anonymous):
answer choices
25.8 units
26.1units
27.5 units
28.6 units
OpenStudy (anonymous):
can you help me with one more please? :) @jigglypuff314
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