please help me out with it how could i do the sum of the angle....
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Answer:
360÷ 4 =90
Step-by-step explanation:
because the there is no angle given so that divide all side with 360
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Join AC. We know that the sum of the angles of a triangle is 180°. ⇒ ∠A + ∠B + ∠C + ∠D = 360° [using (i) and (ii)]. Hence, the sum of all the four angles of a quadrilateral is 360
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