Each of the interior angles of a regular polygon is 140°. Calculate the sum of all the interior angles of the polygon. by Sunday | Jan 6 | Mathematics WAEC | 0 comments A. 1080° B. 1260° C. 2160° D. 1800° Correct Answer: Option B B. 1260° Users Also Read These:Two identical charges situated 20cm apart in vacuum…The sum total of all the roles an organism plays in…If the price Index of export is 140% and import is…The angles of a polygon are given by 2x, 5x, x and…Calculate the volume of the regular…