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In Delta LMN, angle L= 60^(@), angle M=5...

In `Delta LMN, angle L= 60^(@), angle M=50^(@), " If " Delta LMN~ Delta PQR` then the value of `angle R` is

A

`40^@`

B

`70^@`

C

`30^@`

D

`110^@`

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