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Mathematics 11 Online
OpenStudy (anonymous):

find the area... fan + medal!!

OpenStudy (tkhunny):

Is it under the rock?

OpenStudy (anonymous):

no lol holds on :D

OpenStudy (anonymous):

OpenStudy (anonymous):

anyone???

OpenStudy (haichi):

of the triangle?

OpenStudy (anonymous):

of the whole thing :)

OpenStudy (anonymous):

do you think you can do it??

OpenStudy (haichi):

...........

OpenStudy (haichi):

YES!

OpenStudy (anonymous):

oh thank you @Haichi

OpenStudy (tkhunny):

Draw a horizontal line at the top of the "8" side. You should see it.

OpenStudy (haichi):

yes Pythagorean theroum

OpenStudy (anonymous):

ok

OpenStudy (haichi):

3^2+b^2=5^2

OpenStudy (haichi):

thats the triangle's area

OpenStudy (anonymous):

how do you solve that??

OpenStudy (haichi):

for the rectangle is would be 8*4

OpenStudy (anonymous):

im sorry im just reallly bad at math

OpenStudy (haichi):

9+b^2=25

OpenStudy (haichi):

subtract on both sides

OpenStudy (haichi):

25-9=16

OpenStudy (haichi):

b^2=16

OpenStudy (haichi):

b=4

OpenStudy (anonymous):

so its 20 ??

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