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Mathematics 7 Online
OpenStudy (anonymous):

Find the perimeter of the figure. Round your answer to the nearest tenth.

OpenStudy (anonymous):

@chucho78 Can you help

OpenStudy (anonymous):

K how do you find the area of a triangle :l

OpenStudy (anonymous):

ello?

OpenStudy (anonymous):

you'd do A=h*b/2

OpenStudy (anonymous):

hight for both triangles are 20in

OpenStudy (anonymous):

A=hbb 2

OpenStudy (anonymous):

i c u used google :l

OpenStudy (anonymous):

k so 2*20=40/2=20in now the big one is 20*10=200/2=100 now both triangles together are 140in

OpenStudy (anonymous):

So final Answer is 140in

OpenStudy (anonymous):

square is 19*20=380

OpenStudy (anonymous):

no now you need to add the square with the triangle area's

OpenStudy (anonymous):

so 380+140=????

OpenStudy (anonymous):

com on you can add!

OpenStudy (anonymous):

420!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

OpenStudy (anonymous):

TADA! sincerely from the happy cow!

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