umokay4 umokay4

12-01-2021
Mathematics

contestada

Find the height of a solid cylinder with a radius 6.3 cm and surface area 1243 cm?

Respuesta :

kenlingdad kenlingdad

12-01-2021

Answer:

height = 25.12 cm

Step-by-step explanation:

SA = 2πr (r+h)

1243 = 2*3.14* 6.3 (6.3+h) = 39.56*(6.3+h) = 249.25 + 39.56h

39.56h = 1243 - 249.25 = 993.75

h = 25.12

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