I have a math question for anybody that can help me :) IT IS TOUGH so only people who know geometry!!thnx (:

- anonymous

- katieb

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- anonymous

In the figure below, the length of CB is 64 units and the length of BG is 137 units. What is the length of EA?

##### 1 Attachment

- RadEn

first, determine the length of AG

- RadEn

AG = BG - BA

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- anonymous

okay what would be BA?

- anonymous

I know that BG is 137

- RadEn

with BA = BC (because the triangle ABC is issoseles right triangle)

- anonymous

okay.....so......would I use a square root or something??

- anonymous

YES!! I do understand that part (:

- RadEn

opppss damn, typo
AG = BG - BA
AG = 137 - 64 = 73

- anonymous

okay I am following you!! lol :)

- RadEn

now, lets going to triangle of AGE

- anonymous

okay so after we figure out the AGE side then..we add 73??

- RadEn

remember that the property of right triangle 30-60-90, the proportion sides infront angles 30-60-90 is 1 : sqrt(3) : 2

- anonymous

yes I do remember learning about that so...then it would be 73 square root of three??

- RadEn

AG is side infront angle 30, while AE is side infront angle 90.
so, just multiplied by 2 from side AG to get AE

- RadEn

AE = 2 * AG = 2 * 73 = 146

- anonymous

I understand now (: thank you so much for your help :) I will give you a medal and become your fan :D

- RadEn

glad can help u :D

- anonymous

have a good evening :) and thanks again (:

- RadEn

you'r welcome , here in morning 08.55 :)

- anonymous

ooo really??? what state are you in??

- anonymous

or are you saying you will be online in the morning???

- RadEn

im from indonesia :)

- anonymous

ooo WOW!! that is far away I live in the United States....so its night time here!! :)

- anonymous

well anyways thanks for your help and I am going to leave now...THANK YOU AGAIN :)

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