Question

GOOD EVENING MATE

Please answer by referring the attachment

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Answer 1

Answer:

In triangle ACE and triangle BFD÷

angle A + angle C + angle E= 180 degree (Asp of

angle B + angle F + angle D= 180 degree triangle)

So adding both the equations ÷

angle A + angle B + angle C + angle D + angle E + angle F = 360 degree

hence proved