Question

how to construction angles 15 30 45 60 75 90 120 105 135 150 165 180 deree

Answer 1

Hey buddy i suggest u best option to get ur answer will be youtube bz u will get to know how to construct all of these angles ....

Hope u get my point !!!

Answer 2

First draw a base. Then draw a 60° and 120° angle. By the two draw a 90° angle. Then draw 30° b/w 60° and 0°. 15 b/w 30° and 60°. And so on

Copy this link for more gelp.
https://www.google.co.in/url?sa=i&source=images&cd=&ved=0ahUKEwidk-vHgZDdAhULPY8KHUmJACMQMwg9KAAwAA&url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DwYeDgQShXq4&psig=AOvVaw0IN7o4anmumCT8R30NUvvZ&ust=1535554807667739&ictx=3&uact=3