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Use the given figure to express:(i) a in terms of b and f;(i) e in terms of fand g;fii) d in terms of a and e(iv) c in terms of e and g.15. |
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Answer» (i) a = f - b(applying exterior angle theorem, f =a+b)(ii) e = g-f(iii) angle(AGF) = e (vertically opposite angles) By exterior angle theorem, d = a + angle(AGF)d = a + e(iv) c = 180 - f (linear pair) f = 180 -cby exterior angle theorem, g= e +f g = e + 180 - cans. c = 180 + e - g |
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