Question

find the
given below, rcdius of base of
and it's height are given. Then
curved surface are
1 r = 70 cm, h=1.4 cm​

Answer 1

Answer:

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Curved surface Area of cylinder = 2πRh

Total Area of cylinder = 2πRh + 2πR² = 2πR ( h + R)

π = 22/7

 ⟹2×22/7×70(1.4+70)

 ⟹44×10(71.4)

 ⟹440×71.4

 ⟹31,416

 ⟹31,416 is correct Answer..