Question

In the adjoining figure, angle 1+ angle 2+ angle 3+ angle 4+ angle 5+ angle 6+ angle 7+ angle 8+ angle 9+ angle 10+ angle 11+ angle 12 equals
(1) 180°
(2) 540°
(3) 720°
(4) None of these​

Answer 1

Answer:

Step-by-step explanation:

720

option 3