Question

Please please solve it please solve

Answer 1

this is given in ncert textbook you can check out there

Answer 2

Step-by-step explanation:

In the figure,

∠BAC = ∠CAB

∠ANC = ∠AMB = 90°

BM = CN

So by AAS criteria

ΔAMB ≅ ΔANC

AB = AC                                                                                                (c.p.c.t)