Q. 185.0( 2 Votes )

A solid wooden to

Answer :


Given radius of hemisphere = 3.5cm


Also, radius of cone = 3.5cm


Let the height of the cone be h cm.


Volume of wood used = Volume of hemisphere + Volume of cone




Total height of the toy = Height of the cone + Radius of hemisphere


So,total height = 6 + 3.5 = 9.5cm


Area of the hemispherical surface = 2πr2 =


Cost of painting = (77 × 10) = 770


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