Question 15If two solid hemispheres of same base radius r are joined together along their bases the curved surface area of this new solid is(A) 4πr2(B) 6πr2(C) 3πr2(D) 8πr2

Question 15If two solid hemispheres of same base radius r are joined t

1.	Question 15If two solid hemispheres of same base radius r are joined together along their bases the curved surface area of this new solid is(A) 4πr2(B) 6πr2(C) 3πr2(D) 8πr2
Answer» Question 15 If two solid hemispheres of same base radius r are joined together along their bases the curved surface area of this new solid is (A) $4 π r^{2}$ (B) $6 π r^{2}$ (C) $3 π r^{2}$ (D) $8 π r^{2}$