4136641 4136641

17-04-2018
Mathematics

contestada

A cone has a volume of 1,440\pi cubic centimeters and a height of 30 centimeters. What is the diameter of the cone's base?

Respuesta :

calculista calculista

28-04-2018

we know that
[volume of a cone]=pi*r²*h/3
h=30 cm
volume=1440*pi cm³
r²=3*volume/[pi*h]------> r²=3*1440*pi/[30*pi]----> r²=144-------> r=√144
r=12 cm
so
the diameter=2*r------> 2*12-----> 24 cm

the answer is
the diameter of the cone's base is 24 cm

Answer Link

ACCESS MORE ACCESS MORE ACCESS MORE ACCESS MORE

Otras preguntas

what are multiples i need help

what type of consumers are in temperate grassland

What is .725 as a Fraction?

DVDS are on sale for $24 each. Which expression can be used to find the cost in dollars of buying 4 DVDS.

three everyday things that exist or occur because of science. Make sure you use examples

what are multiples i need help

What's the movement of a stationary object?

effective teamwork and high productiivity are good indications of postive1.socializing2.productivity goals3.horizontal relantionship4.reinforcement

three everyday things that exist or occur because of science. Make sure you use examples

There ate 38 cube houses. Each house could hold 1,000 unit cubes that are 1 meter by 1meter by 1meter.Describe the dimensions of a cube house using unit cubes.