Question

1. In AABC, M and N are mid-points of sides AB
and AC respectively.
A
M
N
B.
С
(1) If MN = 4x – 2 and BC = 6x + 3, find x.
(ii) If ZMNC = (3y +10)° and ZC = (y +10)°, find y.
(iii) If ZAMN = (2a + 15)º and ZB = (3a - 15)°,
find a.
(iv) If AB = 7 cm, BC = 10 cm, AC = 9.2 cm,
find the perimeter of MNCB.​

Answer 1

Step-by-step explanation:

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