Mathematics
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OpenStudy (anonymous):
Find the area of the figure. Assume the figure is made up of triangles. A. 98 cm² B. 147 cm² C. 196 cm² D. 294 cm²
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OpenStudy (anonymous):
help anyone?
OpenStudy (anonymous):
OpenStudy (anonymous):
anyone??? plz
OpenStudy (anonymous):
@PaulaLovesSchool13
OpenStudy (anonymous):
i need help so i can do my work
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OpenStudy (anonymous):
I found it :)
OpenStudy (anonymous):
Okay Nadia, do you know how to find the area of a triangle?
OpenStudy (anonymous):
not really, im in 6th grade
OpenStudy (anonymous):
Okay :) The formula for a triangle is base x height divided by two
OpenStudy (anonymous):
So find the area of all three triangles :)
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OpenStudy (anonymous):
ok so would it be A,B,C,o?
OpenStudy (anonymous):
opps D sorry
OpenStudy (anonymous):
Alright this is very tricky so stick with me like glue. Find the first triangle. e do 14x7 and that equals what?
OpenStudy (anonymous):
98
OpenStudy (anonymous):
Excellent. Now divide it by two
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OpenStudy (anonymous):
so it would be 49
OpenStudy (anonymous):
Good! You found the area of one triangle :) Now find the second
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
Do 7x7 and divide it by two
OpenStudy (anonymous):
Because that is the formula for a triangle of course :P
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OpenStudy (anonymous):
24.5
OpenStudy (anonymous):
then do you add it
OpenStudy (anonymous):
Very good. Now the third triangle
OpenStudy (anonymous):
Wait, no adding yet
OpenStudy (anonymous):
ok
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OpenStudy (anonymous):
You have to find the area of ALL the triangles first
OpenStudy (anonymous):
what is the next triangle?
OpenStudy (anonymous):
The next triangle. 7x14 divide by two
OpenStudy (anonymous):
49
OpenStudy (anonymous):
Good :) And finally the last triangle
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OpenStudy (anonymous):
there's another??
OpenStudy (anonymous):
Yes um.....there is four. Their split up...
OpenStudy (anonymous):
so you do 7x7 divided by two?
OpenStudy (anonymous):
Yes :)
OpenStudy (anonymous):
Then add those numbers up and you should get your answer :)
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OpenStudy (anonymous):
which is 24.5
OpenStudy (anonymous):
Wait, what?
OpenStudy (anonymous):
then you d o24.5+24.5+49+49
OpenStudy (anonymous):
Oh yes sorry lol
OpenStudy (anonymous):
Yes
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OpenStudy (anonymous):
What is your answer Nadia. A, B, C, or D
OpenStudy (anonymous):
so the answer is b. 147cm2
OpenStudy (anonymous):
You got it :)
OpenStudy (anonymous):
thx
OpenStudy (anonymous):
Nice job
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OpenStudy (anonymous):
bye
OpenStudy (anonymous):
Sure! :) Feel free to medal users who help. Bye :D