Question

the head of a construction company wants to give as a bonus 4 decorated hemispherical bowls to 500workers on dilwali. the radius of a hemispherical bowl is 10.5cm.if the decoration of pattern on outer curved surface area costsavings rs.5 per 100cm^2,then calculate the cost paid by the head. which value is depicted by head

Answer 1

CSA of hemisphere =
$2\pi \times{10.5}^{2}$
692.72 sq. cm.
rs.5 = 100 sq. cm.
rs. ? = 692.72 sq. cm.
rs. ? = (692.72×5)÷100
=rs. 34.636