CBSE Class 10 Math 2023 Delhi Set-3 Solved Paper

SECTION - D
Section-D consists of Long Answer (LA) type of questions of 5 marks each.

Question : 10

Total: 11

(A) In a △PQR,N is a point on PR, such that QN‌⟂‌PR. If PN×NR=QN2, prove that ∠PQR=90∘
OR
(B) In the given figure, △ABC and △DBC are on the same base BC. If AD intersects BC at O. Proved that ‌

ar(△ABC)

ar(△DBC)

=‌

Solution: 👈: Video Solution

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