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If AB = 15, what is the length of ? 18 16 14 12
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4 votes
If AB = 15, what is the length of ?

18
16
14
12

If AB = 15, what is the length of ? 18 16 14 12-example-1
User Sgu
by
5.0k points

1 Answer

4 votes

Use Power of a point.

(can prove using similarity of the triangle)

AC*CB = DC*CE

8*7 = 4*CE

CE = 14

DE = DC+CE = 4+14 = 18

Ans: 18

User Dominic Zukiewicz
by
5.7k points
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