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:If Nigeria's composite price index in 1999 was…In a particular year, the sum of the value-added in…The sum total of all the roles an organism plays in…Two identical charges situated 20cm apart in vacuum…Calculate the volume of the regular…