Question

Please answer in detail


A cylinder pillar is 50 cm in diameter and 3.5 in height . find the cost of painting the curved surface area of the pillar at the rate of rupee 10 per sq m ....​

Answer 1

Answer:

hope it help

Step-by-step explanation:

pillar is in the form a cylinder

curved surface area of pillar = 2√rh

h.c.p. =3.5

radius of the circular end of pillar =50/2=25m

r=25*1/100m= 0.25 m

curved surface area of pillar=2√rh

=(2*22/7*0.25*3.5)m

=(44*0.125)m2

=5.5m2