A cylindrical tin with diameter of base 20cm and height of 25cm is open at the top. find Cost of painting such 20 tins at ₹300 m2. (π=3.14)
Answers
Answered by
4
Step-by-step explanation:
Soln:-
r=10 cm
T.S.A= 2πrh +πr^2
=2×3.14×10×25 +3.14×10×10
=1570 cm^2+314 cm^2
=1884 cm^2
1m^2 cost =Rs 300
1cm^2=300/10000
Rs0.0300
Cost of painting the tank=Rs 0.0300×1884
=Rs56.52
Answered by
0
Answer:
Go and search on google vedantu
Step-by-step explanation:
Really
Similar questions