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Mathematics 13 Online
OpenStudy (anonymous):

What is the area of this trapezoid?

OpenStudy (anonymous):

OpenStudy (ganpat):

Area = 1/2 * * ht * sum of parallel sides..

OpenStudy (anonymous):

I know, but can you show me step by step. Online school, doesn't do it well. :)

OpenStudy (anonymous):

http://www.mathgoodies.com/lessons/vol1/area_trapezoid.html this should help

OpenStudy (ganpat):

ok, so what would be parallel sides over here from the figure ??

OpenStudy (anonymous):

The bottom and top line? o_o

OpenStudy (ganpat):

yup.. so that would be parallel sides.. and the distance between them will be perpendicular ht..

OpenStudy (anonymous):

By 9 yrds? o_o

OpenStudy (ganpat):

yup.. so A = 1/2 * 9 * (25 + 16)...

OpenStudy (anonymous):

Okay, is the area 738? x_x

OpenStudy (ganpat):

how abt 185.4 yd square ??

OpenStudy (anonymous):

How'd you get that? I'm pretty sure I did it correctly. >_< Please show me step by step solving it. )x

OpenStudy (ganpat):

25 + 16 = 41 41 * 9 = 369 369/2 = 184.5...

OpenStudy (anonymous):

Why'd you divide 369 by 2?

OpenStudy (ganpat):

it says, 1/2 * ht * (sum of parrallel sides)

OpenStudy (anonymous):

Yes. but 1/2 is .5? Is it not? Wouldn't that give you the answer 783?

OpenStudy (anonymous):

Hello?

OpenStudy (ganpat):

o.5.. so it will be reduced.. for example, 2*1 =2 2*2 =4 2*0.5 = 1...

OpenStudy (ganpat):

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OpenStudy (ganpat):

still not getting ?

OpenStudy (anonymous):

Oh, okay I get it. I just messed up and forgot to reduce! Thank You!

OpenStudy (ganpat):

:) good !!!!

OpenStudy (anonymous):

Thank you:) Aha.

OpenStudy (ganpat):

w/c...

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