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WAEC / WASSCE 2000
Triangles and Polygons
Solution
(a) Given that cos x = 0.7431, 0° < x < 90°, use tables to find the values of : (i) 2sin x ; (ii) tan\(\frac{x}{2}\).
(b) The interior angles of a pentagon are in ratio 2 : 3: 4: 4: 5. Find the value of the largest angle.
medium Difficulty
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