Question

Answer this question correctly with full detailed explanation. You have not just to tell the value of angle boc..Tell the value of angle boc with full explanation ​

Answer 1

Answer:

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Step-by-step explanation:

Answer 2

Answer:

75°

Step-by-step explanation:

Here, ABCD is a quadrilateral.

∴∠A+∠B+∠C+∠D = 360°

We know, ∠A = 100° and ∠D = 50°

∴ 100° +∠B+∠C+ 50° = 360°

∴ ∠B+∠C = 210°

Dividing this equation by 2, we get

∠OBC +∠OCB = 105°

By angle-sum property of a triangle,

∠OBC +∠OCB +∠BOC = 180°

105° + ∠BOC = 180°

∴∠BOC = 180° - 105° = 75°