Question

A right Circular Cone is mounted on a cyclinder of base is 14cm height of cylinder is 3cm and that of cone is 10.5 calculator CSA of solid and the cost of painting at 20ruppes per sq mertere​

Answer 1

33.4sq cm

Step-by-step explanation:

length = 14 cm

height = 3 cm

CSA of cylinder = 2 pie r h

= 10.5 = 2 × 22÷7 × r × 3

10.5 × 7 ÷ 2 × 22 =r

r = 1.670

to find the cost of the painting

1.670 × 20 = 33.4 sq cm