If BC = 9 and CD = 29, find AC. 38 Squared Root 3 Radical 29 38 261

asked Feb 1, 2015 57.3k views

3 votes

If BC = 9 and CD = 29, find AC.

38 Squared Root
3 Radical 29
38
261

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4 votes

Answer:

3/29

Explanation:

LingYan Meng answered Feb 2, 2015

7.0k points

1 vote

$\Delta ABC\sim\Delta DAC\\\\then\\\\(|AC|)/(|BC|)=(|CD|)/(|AC|)\\\\|AC|^2=|BC|\cdot|CD|\\\\|AC|^2=9\cdot29\\\\|AC|=√(9\cdot29)\\\\|AC|=3√(29)$

Sorakthun Ly answered Feb 7, 2015

8.7k points

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