Define similar triangles how would work out

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In a right triangle ABC, if ab is 14 and bc is 12 wut is bd?

there is a pic of a large trangle abc and in it is a line drawn down angle c making it line cd. angle acd then becomes a right trangle as well.
i tried working = proportions and pyth thm but i dont seem to be getting the right answer. You have similar triangles.if they are similar triangles how would i work out the proportions since only two values are given.

Reference no: EM13200045

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