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मान लीजिये DeltaABC ~ DeltaDEF है और उन...

मान लीजिये `DeltaABC ~ DeltaDEF` है और उनके क्षेत्रफल क्रमशः 64 `"सेमी"^(2)` तथा `121 "सेमी"^(2)` है यदि BC = 11.2 सेमी है , EF ज्ञात कीजिये।

लिखित उत्तर

Verified by Experts

The correct Answer is:
`EF = 15 .4` cm
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