Assertion (A) : Total Surface area of the top is the sum of the curved surface area of the hemispher

Question

Assertion (A) : Total Surface area of the top is the sum of the curved surface area of the hemisphere and the curved surface area of the cone.\ Reason (R) : Top is obtained by fixing the plane surfaces of the hemisphere and cone together.\

Professor PC Thomas Classes · Answer

(a) : Total surface area $=$ Curved surface area of hemisphere + curved surface area of cone\ ∴ Assertion (A) is true\ Also, Reason (R) is true\ Both assertion (A) and reason (R) are true and reason (R) is the correct explain of assertion (A).