a cylindrical oil tank has diameter 7m and height 9m. If the inner side of the tank has to painted all over. Find the area to be painted and the volume of tank.
Answers
Answered by
4
Answer:
Step-by-step explanation:
TSA of cylinder = 2πr(h+r)
= 2 x 22/ 7 x 7/2 (9 +3.5)
=22 x 12.5
= 275 m²
cost = 275 x 35 = rs 9625
Answered by
0
Answer:
275 sq.meter
Step-by-step explanation:
Diameter=7m
Radius=1/2Diameter
=1/2×7
=3.5m
Height=9m
TSA of cylindrical tank
=2πr(h+r)
=2×22/7×3.5(9+3.5)
= 275 sq.meter
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