engineering recuitment WBPSC JE Civil Mock Test 2022 Basic Science and Engineering Engineering Drawing
Which of the following is/are true for Polygon?
1
The sum of exterior angles of a polygon is equal to 360°
2
The sum of the interior angle and the corresponding external angle is 180°.
3
The sides of a regular polygon will be tangential to the circle drawn in side.
4
All of the above