(i) The number of sides of the polygon is 8 if the sum of interior angles is \[1080{}^\circ \]. |
(ii) The sum of all interior angles of a Heptagon is \[720{}^\circ \]. |
(iii) The sum of all exterior angles of a decagon is \[540{}^\circ \]. |
(iv) The ratio of the measure of an angle of regular octagon to the measure of its exterior angle is 3:1. |
A) Only (i), (ii) and (iii)
B) Only (ii), (iii) and (iv)
C) Only (i), (ii) and (iv)
D) All of these
Correct Answer: C
Solution :
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