Mathematics
The angles of a polygon are in A.P. with common difference 5°. If the smallest angle is 120°, find the number of sides of the polygon.
Related Questions
Find four numbers in A.P. whose sum is 20 and the sum of whose squares is 120.
Insert one arithmetic mean between 3 and 13.
If A, B and C are three arithmetic progressions (APs) as given below :
A = 2, 4, 6, 8, …….. upto n terms
B = 3, 6, 9, 12, …… upto n terms
C = 0, 4, 8, 12, …… upto n terms, then
out of A + B, A - C, C - B and B - A which is/are A.P. ?
A + B
A - C
C - B
All are A.P.