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Mathematics 8 Online
OpenStudy (anonymous):

Geometry help! MEDAL AND FAN!! I don't get this stuff at all

OpenStudy (anonymous):

A ladder 20 feet long leans against a wall and forms an angle of 30° with the ground. How far from the wall is the ladder?

OpenStudy (alexandervonhumboldt2):

use cos

OpenStudy (alexandervonhumboldt2):

cos(30)=x/20

OpenStudy (anonymous):

Okay so this forms a 30, 60, 90 triangle

OpenStudy (anonymous):

okay. I am so confused with this stuff xP

OpenStudy (anonymous):

so √3 x 20 divided by 2

OpenStudy (anonymous):

so what do you get?

OpenStudy (anonymous):

I got 17.32?

OpenStudy (anonymous):

YES

OpenStudy (anonymous):

17.3

OpenStudy (anonymous):

YAY!!!! :) Thank you so much!!! :)

OpenStudy (anonymous):

mhm no problem

OpenStudy (anonymous):

there ya go

OpenStudy (alexandervonhumboldt2):

thx

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