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6) Find the unknown angles in these figures(i) AB | | CD45"92x 4530*70"(ii) x+y 9060* |
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Answer» (i)AB || CD so y =92°.x + y + 45 = 180X = 43. (ii) y + 70 + 45 = 180 y = 65.z + y = 180, z = 115.x + z + 30 = 180, x =35. |
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