grimmpatti
grimmpatti grimmpatti
  • 26-04-2018
  • Mathematics
contestada

The radius of a cylinder is 5" and the lateral area is 70 sq. in. Find the length of the altitude. 2.8" 7" 14"

Respuesta :

calculista
calculista calculista
  • 07-05-2018
the correct question is
The radius of a cylinder is 5" and the lateral area is 70pi sq. in. Find the length of the altitude.

we know that

[surface lateral area]=(2*pi*r)*height
height= [surface lateral area]/(2*pi*r)
surface lateral area=70*pi in²
r=5 in 
so
height= [70*pi]/(2*pi*5)------> 7 in

the answer is
7 in
Answer Link
th3l3g3ndz21
th3l3g3ndz21 th3l3g3ndz21
  • 14-04-2021

Answer:

7" or 7 in.

Step-by-step explanation:

Hope this helps.

Answer Link

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