rdesmangles rdesmangles

07-06-2022
Mathematics

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Please Help I Don't Understand.

Please Help I Dont Understand class=

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LammettHash LammettHash

07-06-2022

BE and CD are parallel, so the triangles ABE and ACD are similar. Then the following relation holds:

AE/AD = AB/AC

10/(10 + 8) = x/(x + 6)

Solve for x :

10 (x + 6) = x (10 + 8)

10x + 60 = 18x

8x = 60

x = 60/8 = 7/5

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