मराठी

It is given that ΔABC ~ ΔPQR, with (BC)/(QR) = 1/3, then (ar(ΔPRQ))/(ar(ΔBCA)) = ______.

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प्रश्न

It is given that ΔABC ~ ΔPQR, with `(BC)/(QR) = 1/3`, then `(ar(ΔPRQ))/(ar(ΔBCA))` = ______.

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उत्तर

It is given that ΔABC ~ ΔPQR, with `(BC)/(QR) = 1/3`, then `(ar(ΔPRQ))/(ar(ΔBCA))` = 9.

Explanation:

Since ΔABC ~ ΔPQR, corresponding sides are proportional:

`(AB)/(PQ) = (BC)/(QR) = (CA)/(RP)`

So `(ar(ΔPRQ))/(ar(ΔBCA)) = (QR)/(BC^2)` 

= (3)2 

= 9

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पाठ 7: Triangles - FILL IN THE BLANK TYPE QUESTIONS (FBQs) [पृष्ठ ७.१०३]

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आर.डी. शर्मा Mathematics [English] Class 10
पाठ 7 Triangles
FILL IN THE BLANK TYPE QUESTIONS (FBQs) | Q 9. | पृष्ठ ७.१०३
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