# Differential geometry

halvizo1031
I need help with this problem:

given a cirlce on S^2 of radius p in the spherical metric, show that its area is 2pi(1-cos p)

Homework Helper
Welcome to PF!

Hi halvizo1031! Welcome to PF!

(have a pi: π and a rho: ρ and try using the X2 tag just above the Reply box )
given a cirlce on S^2 of radius p in the spherical metric, show that its area is 2pi(1-cos p)

Divide the circular region into ring-shaped slices of thickness ds, and integrate …

what do you get?

halvizo1031
I'm not sure I understand what you wrote.