Question

If surface area of sphere is 676 then the radius is equal to

Answer 1

13cm is the radius of the sphere

Answer 2

HEy dearie!..here is your answer...

Surface area of sphere =676πcm sq.
4πr.sq.= 676πcm.sq.
$r {}^{2} = 676\pi \div 4\pi$
$r {}^{2} = 169$
there fore r= 13cm

that is option (b) 13cm is correct answer...

hope this will help:)