Question

9. Find
() the lateral or curved surface area of a closed cylindrical petrol storage tank that is
4.2 m in diameter and 4.5 m high.
1
(i) how much steel was actually used, if of the steel actually used was wasted in
12
making the tank.
,​

Answer 1

Answer:

आप सभी को नव वर्ष की हार्दिक शुभकामनाएं।

बीते वर्ष के खट्टे - मीठे अनुभवों को मन में संजोए हुए एक नई सकारात्मक ऊर्जा और उत्साह के साथ नववर्ष में प्रवेश करें ।

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Step-by-step explanation:

(i)Radius= D/2

= 4.5/2

= 2.24