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# geometry

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Find DB.

May 4, 2022

#1
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Rotate $$\triangle ADC$$ so $$AD$$ lies on $$DC$$ and $$DC$$ lies on $$DB$$

Because of similar triangles, $$AD:DC = DC: DB = 4:6$$

We now have this pair of ratios to solve for: $$4: 6 = 6: \text{__}$$

Can you solve it now?

May 4, 2022