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Q-13: In the following figure, if 1+ 3 = 120*, then 2+ 4 is equal to |
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Answer» Answer: 240° Step-by-step explanation: We know that The ANGLE SUM PROPERTY of a Quadrilateral USING this theorem :- ∠1 + ∠2 + ∠3 + ∠4 = 360° ∠1 + ∠3 + ∠2 + ∠4 = 360° => 120° + ∠2 + ∠4 = 360° => ∠2 + ∠4 = 360° - 120° => ∠2 + ∠4 = 240° Mark me as a Brainliest pls |
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