A pentagon has its sides in A.P. If perimeter of pentagon is 80 then find sum of largest & smallest side of pentagon.
Share
A pentagon has its sides in A.P. If perimeter of pentagon is 80 then find sum of largest & smallest side of pentagon.
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
let smallest side = x
sides form A.P
n=5, because of pentagon
Sn=(n/2)[2a +(n-1)d]
80=(5/2)[2x+4d]
32=2(x+2d)
16=x+2d
x=16-2d
DEAR WE NEED COMMON DIFFRENCE ALSO TO SOLVE THIS QUESTION