If the ratio of external angle and internal angle is 2 : 7. Find the number of sides of regular polygon?

Quant QOTD 11 October 2021 by PendulumEdu – India’s best government exam prep portal. Questions from ‘Coordinate Geometry’ can be solved easily if you have an in-depth knowledge of the formulae and concepts used in this topic. Can you solve this question? Crack SSC | Railways | government exams.