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In the given figure, $\text{DE \| BC}$.
If $\text{AD : AB = 1:3}$ and $\text{AE = 2.5 cm}$, then $\text{AC}$ equals
If $\text{AD : AB = 1:3}$ and $\text{AE = 2.5 cm}$, then $\text{AC}$ equals
- (a)$7.5 \text{ cm}$
- (b)$5 \text{ cm}$
- (c)$10 \text{ cm}$
- (d)$2.5 \text{ cm}$
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Answer (A) $7.5 \text{ cm}$