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Mathematics 8 Online
zarkam21 (zarkam21):

Help

OpenStudy (littlediva12459):

what can we help you with

zarkam21 (zarkam21):

OpenStudy (littlediva12459):

http://www.virtualnerd.com/pre-algebra/perimeter-area-volume/perimeter-and-area/area/parallelogram-area-formula watch this video and see if that helps

zarkam21 (zarkam21):

Well I really just need help on here

OpenStudy (misty1212):

HI!!

OpenStudy (misty1212):

i didn't see the little six down there, but now that i see it, we can do this no problem

OpenStudy (misty1212):

you need the height, because area is base times height right?

OpenStudy (misty1212):

do you know how to find the height? here is the triangle on the right |dw:1461939583480:dw|

zarkam21 (zarkam21):

Ummm do i multiply

OpenStudy (misty1212):

use pythagoras \[h^2+6^2=10^2\] solve for \(h\)

zarkam21 (zarkam21):

I have no idea how to do that

OpenStudy (misty1212):

first do the arithmetic what is \(6^2\)?

zarkam21 (zarkam21):

36

zarkam21 (zarkam21):

and 10^2 equals 100

OpenStudy (misty1212):

ok do \[h^2+36=100\] subtract \(36\) from both sides

zarkam21 (zarkam21):

64

zarkam21 (zarkam21):

@misty1212

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