The area of the base of a circular cylinder is 35cm square and it's height is 8cm.Find (1) Volume (2) Total surface area
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Answer:
Area of base =35cm²
=Area of circle = 35cm²
= πr²=35
=(22/7)r²=35
=r²=(35×7)/22
Volume = πr²h
=(22/7)×[(35×7)/22]×8
=35×8
=280cm³
TSA= 2πr(h+r)
= 2×(22/7)×√[(35×7)/22]×{8+[(35×7)/22]}
=(44/7)×7√(5/22)×[8+7√(5/22)]
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