Math, asked by Sweetykaushik, 2 months ago

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Answered by Saurabhroyal
4

750 degree is the right answer

please mark me as a branialist

Answered by anthonypaulvilly
2

Answer:

         870°

Step-by-step explanation:

∠A = ∠C = 70° (opposite angles of a parallelogram)

∠B = ∠D = x  (opposite angles of a parallelogram)

∠A + ∠C + ∠B + ∠D = 360° ( Angle sum property)

∠A + ∠A + x + x = 360°

(2×∠A) + (2×x) = 360°

2(∠A + x) = 360°

∠A + x = 180°

70° + x = 180°

x = 180° - 70°

x = 110°

∠B = ∠D = 110°

  2∠B + 3∠C + 4∠D

= 2 (110°) + 3 (70°) + 4 (110°)

= 220° + 210° + 440°

= 870°

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