nayomi36 nayomi36

21-08-2020
Mathematics

contestada

a cylinder is a radius of 8cm and a volume of 800cm³ calculate it's height and total surface area

Respuesta :

mhanifa mhanifa

21-08-2020

Answer:

3.98 cm, 602.18 cm²

Step-by-step explanation:

Given:

r= 8 cm
V= 800 cm³

To find:

h = ?
S = ?

Solution:

V = πr²h
h = V/πr² = 800/(π8²) = 3.98 cm
S = 2πr (r+h) = 16π(8+3.98) = 602.18 cm²

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