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Line Q // line R, line P is the transversal .If , a and b are interior angles then find a: b Solution - r = , r = a - - - - - - - -( vertically opposite angles) _____ a and b are interior angles, b = _____ - _____ b = _______ a : b = ____ : _____ |
| Answer» GIVEN:l∥msum of the interior ANGLES on the same SIDE of TRANSVERSAL is 180 ∘ b+52 ∘ =180 ∘ ⇒b=180 ∘ −52 ∘ =128 ∘ And a=52 ∘ ∴a=52 ∘ ,b=128 ∘ | |