Question

Surface Area of Cylinder height 6cm and radius 3cm

Answer 1

Answer:

$radius(r) = 3cm \\ height(h) = 6cm \\ \\ surface \: area \: \: f \: cylinder = 2\pi \times rh \\ = 2 \times 3.14 \times 3 \times 6 \\ = 54 \times 3.14 \: {cm}^{2}$

Answer 2

$h=6cm\\r =3cm\\Surface.area=2\pi r(r+h)\\=2\pi *3(3 +6)\\=2*\pi *3*9\\=54\pi \\\\=54*\frac{22}{7} \\\\=7.7*22\\\\=169cm^2 \\(approx.)$