SCS Maharashtra Board | Grade 6 | Geography | Chapter 3 – World of Coordinates Thought Provoking Questions Are some points and lines necessary to find any location? (Just think: Textbook page 16) Ans. To determine the location of any place on the Earth, the line joining the location of that place and the centre of the Earth is considered. This line makes an angle with the plane of the Equator at the centre of the Earth. This angular distance is used for determining the location of the place on the globe. Hence, some points and lines necessary to find any location.