Question

line of longitude are called meridians of the longitude​

Answer 1

Answer:

yes you are right but where is the question

Answer 2

Answer:

Longitude is measured by imaginary lines that run around the Earth vertically (up and down) and meet at the North and South Poles. These lines are known as meridians. Each meridian measures one arcdegree of longitude. The distance around the Earth measures 360 degrees.

hope it helps..!!