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Mathematics · 2023 · 1 mark
CBSE 2023 · Region 6 · Set 1 · Q8
If PQR ∼ ABC; PQ =6 cm, AB =8 cm and the perimeter of ABC is 36 cm, then the perimeter of PQR is
If $\displaystyle \triangle \mathrm{PQR} \sim \triangle \mathrm{ABC} ; \mathrm{PQ}=6 \mathrm{~cm}, \mathrm{AB}=8 \mathrm{~cm}$ and the perimeter of $\displaystyle \triangle \mathrm{ABC}$ is $\displaystyle 36$ cm, then the perimeter of $\displaystyle \triangle \mathrm{PQR}$ is
Official answer
(B)
$\displaystyle 27$ cm
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CBSE Class 10 Mathematics past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.