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Answer:
Latitudes are imaginary lines drawn on the globe which are full circles and run in east-west direction.Equator is the most important latitude which divides the globe into two equal halves : Northern Hemisphere and Southern Hemisphere. It is the biggest latitude.Equator is 0° latitude. In the north of 0°Latitude, there are 90 latitudes and in the south also 90 latitudes are marked. After a Northern latitude, letter N is added and in the same manner when we mention a Southern latitude, letter S is added to show its location in Northern or Southern Hemisphere. 90°N Latitude is a point, not a circle, and known as North Pole. In the same way, 90°S Latitude is also a point, not a circle, and known as South Pole. So there are total 179 main longitudes on a globe. All latitudes are marked parallel to each other so they are also called parallels.The gap between two degrees is divided into 60 minutes. It is marked with ( ' ) sign.
According to latitudes, India is in Northern Hemisphere. It extends between 8°4′N to 37°6′N. Its southern extent is 8°4′N and northern extent is 37°6′N.
Note: Letter N is used both after northern and southern extent as India is completely in Northern hemisphere. So India's latitudinal extent is about 30°.
There are some important latitudes. 23°30′N Latitude is known as the Tropic of Cancer. It divides our country India into almost two equal halves.
Image source : Google
Longitudes are imaginary lines on a globe that run from North Pole to South Pole.
Prime Meridian is 0° longitude. In the east of 0°, there are 179 longitudes or meridians and in the west also 179 longitudes are marked. After an Eastern longitude, letter E is added and in the same manner when we mention a Western longitude, letter W is added to show its location in Eastern or Western Hemisphere. 180° longitude is known as International Date Line and neither E nor W is added after it. So there are total 360 main longitudes on a globe.
According to longitudes, India is in Eastern Hemisphere. It extends between 68°7′ E to 97°25′E.
Note: Letter E will be used both after east and west extent as India is completely in Eastern Hemisphere.
So India's longitudinal extent is also about 30°.
Explanation: