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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 3 · Set 1 · Q12
In Δ ABC, DE ∥ BC (as shown in the figure). If AD =2 cm, BD =3 cm, BC =7.5 cm, then the length of DE (in cm) is:
In $\displaystyle \Delta \mathrm{ABC}, \mathrm{DE} \| \mathrm{BC}$ (as shown in the figure). If $\displaystyle \mathrm{AD}=2 \mathrm{~cm}, \mathrm{BD}=3 \mathrm{~cm}$, $\displaystyle \mathrm{BC}=7.5 \mathrm{~cm}$, then the length of DE (in cm) is :
Official answer
(B)
$\displaystyle 3$
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CBSE Class 10 Mathematics past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.