Question

Please solve this question but please don't give improper answer​

Answer 1

Answer is c) 405°

Step-by-step explanation:

consider angle 3, 5, 7

it is perpendicular line making all three angles to be 45°

And the all other angles got the inclination from same point.

Consider angle 1 , 9 adding these angles will give 90°

Consider angle 4, 8 adding these angles will give 90°

Consider angle 6, 2 adding these angles will give 90°

Adding all these angles 135°+90°+90°+90° = 405°

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