Question

if a sphere is cut into two equal part its surface area will

Answer 1

Heya,

When a sphere is cut into two equal halves, it forms hemispheres. Then,

TSA of a sphere = 4 Π r²

TSA of each hemisphere

=area ( Curved surface + Base surface )

= 2 pΠ r² + pΠ r²

= 3 pΠ r²

HOPE IT HELPS:-))