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notka56 [123]
3 years ago
15

A cylinder has a radius of 8 cm and a height of 4 cm what is the approximate value of the surface area of the cylinder

Mathematics
2 answers:
Dennis_Churaev [7]3 years ago
7 0

Answer:

सॉरी भाई जल्द ही देखिये अलविदा

yanalaym [24]3 years ago
3 0

Area of cylinder = curved area + 2 x base circle

Circles = 2 x π(8)² = 128π cm²

Curved area = circumference of circle x height of cylinder

Circumference of circle = 2πr = 2π(8) = 16π cm

Curved area = 16π x 4 = 64π cm²

Total surface area = 128π + 64π = 192π cm² = 603.19cm² (5sf)

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