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[" 3) In obtuse angletriangle b) Acute angled triangle c) Right angled triangle d) Equilateral triangle "],[" In DeltaLMN,if "LM=10cm" and "/_LNM=90^(@),/_LMN=30^(@)," then "NM=?],[[" a) "5sqrt(2)cm," b) "5cm," c) "10sqrt(3)cm" d) "5sqrt(3)cm]]

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