Question

1. In AABC, M and N are mid-points of sides AB
and AC respectively.

(i) If ZMNC = (3y + 10) and ZC = (y + 10), find y.
(ii) If ZAMN - (2a + 15)° and 2B = (3a - 15),
find a.
(iv) If AB = 7 cm, BC = 10 cm, AC = 9.2 cm,
find the perimeter of MNCB​

Answer 1

Answer:

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