Question

Define the circle part please

How???


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Please refer the attachment​

Answer 1

Step-by-step explanation:

I don't know if u dont know

Answer 2

Answer:

We know that sum of interior angles of any quadrilateral except is equal to (n-2)180°. Here n is the number of sides. Such as the interior angles of a perfect square is 90°. So their sum is =

90° + 90° + 90° + 90° = 360°

Here the exterior angles are p, q, r, s

Their sum is = 360° = p + q + r + s

A + B + C + D = 360°

So, we can say that

A + B + C + D + p + q + r + s = 360° + 360° = 720°

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