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Mathematics 9 Online
OpenStudy (anonymous):

find the answer a 4cm b 6cm c 8cm d 12cm

OpenStudy (anonymous):

http://i.imgur.com/Jh866xK.png

OpenStudy (anonymous):

A?

OpenStudy (anonymous):

i don't know,but can you give me the solution how you find it?

OpenStudy (anonymous):

B. I believe.

OpenStudy (anonymous):

might be but can you tell it how?

geerky42 (geerky42):

Looks like both circles are same size.

geerky42 (geerky42):

Since they both share two tangent lines that are perpendicular to each other.

geerky42 (geerky42):

Not completely sure. Do you know? @peachpi

OpenStudy (anonymous):

no.that's why i am asking,i think the picture is not clear so not to worry much about that question

geerky42 (geerky42):

I am talking to this user @peachpi lol

OpenStudy (anonymous):

but i have another question

geerky42 (geerky42):

OK bring it on.

OpenStudy (anonymous):

@geerky42 @Hassan3130 two tangents from a circle to the same external point have the same length, so AD = BD = DC = 4, and AB = 8

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