Q. 1 E5.0( 6 Votes )

In each of the gi

Answer :

In ∆ABC, we can find ABC.

ABC + BCA + CAB = 180° [ sum of all the angles of a triangle is 180°]


ABC + 70° + 80° = 180°


ABC + 150° = 180°


ABC = 180° - 150°


ABC = 30°


We can observe from triangles ABC & MNR,


ABC = MNR


CAB = RMN


Hence, by AA similarity we can say, ∆ABC ∆MNR


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