davemckee9
davemckee9 davemckee9
  • 22-02-2021
  • Mathematics
contestada

Pls help and show your work

Pls help and show your work class=

Respuesta :

Timgod
Timgod Timgod
  • 23-02-2021

Answer:

21. Vol. = L ^ 3

or, 27000 = L ^ 3

or, cube root undefr 27000 = L

Therefore, Edge length = 30 cm

22.

a. v = l ^ 3

or, 64000 = l ^ 3

or, cube root under 64000 = L

or, l = 40 cm

Also,

surface area = 6 a ^ 2

= 6 * 40 ^ 2

= 6 * 1600

= 9600 cm ^ 2 #

Hope this helped

Hope this helped ALL THE BEST !!

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