In the diagram, MNC is a triangle in which angle MNC = 64°. A is a point inside the triangle such that AM = AC, angle AMN = 42°, angle ACN = 26°, angle AMC = x° and angle CAM = y°. (i) Find the value of y, [2] (ii) Find the value of x. [2]

Model answer

(i) y = 132; (ii) x = 24

Also accepted: 132; 24, y = 132°; x = 24°, 132, 24, 132 and 24

ZIMSEC Mathematics 4030/2, November 2016, Q3(a), via the Topical Collection

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