sarah1559 sarah1559

18-05-2022
Mathematics

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find the surface area of the figure. round to the nearest hundredth when necessary.

find the surface area of the figure round to the nearest hundredth when necessary class=

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goldieknox6 goldieknox6

18-05-2022

Answer:

in terms of pi: 112.5pi mm squared

substituting pi for 3.14: 353.25 mm squared

Step-by-step explanation:

Surface area cone equation:

Πr2 + π*r*s

4.5^2 = 20.25pi

400 + 20.25 = 420.25

sqrt(420.25) = 20.5

20.25pi + 92.25pi = 112.5pi

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