Find the sizes of the angles marked (a) a, (b) b, (c) c. = ..........................................(1) Answers (a) a ..........................................(2) (b) b = = ...........................................(1) (c) c 11 Given that 30 correct to the nearest 5 units, a= = 14 correct to 2 significant figures, b 4.6 correct to 1 decimal place. c= Work out the least possible value of + + a b c.
Find the sizes of the angles marked (a) a, (b) b, (c) c. Answers (a) a = ..........................................(1) (b) b = ..........................................(2) (c) c = ...........................................(1) 11 Given that a= 30 correct to the nearest 5 units, b = 14 correct to 2 significant figures, c= 4.6 correct to 1 decimal place. Work out the least possible value of a + b + c.
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