saada7722 saada7722

13-02-2021
Mathematics

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the cylinder has a height of 30cm and radius 11cm. work out the total surface area of cylinder

Respuesta :

thebecks thebecks

13-02-2021

Answer:

total surface area=2832.66 cm^2

Step-by-step explanation:

11^2(3.14)x2=area of ends=760.26 cm^2

11x2x3.14=circumference=69.08 cm

69.08x30=area of side=2072.4 cm^2

2072.4+760.26=2832.66 cm^2

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