1.

From a solid sphere of radius 15 cm, a right circular cylindrical hole of radius 9 cm whose axis passing through the centre is removed. The total surface area ofthe remaining solid is :

Answer»

a.`1188 PI CM^(2) `
b. `108 pi cm^(2) `
`1170 pi cm^(2) `
`144 pi cm^(2) `

ANSWER :C


Discussion

No Comment Found