Question

math question please solve this problem​

Answer 1

Answer:

Step-by-step explanation:

Volume of air per man = Volume of ConeNumber of men

Complete Answer:

We have diameter of base of cone, d=4m

∴Radius,r=d2 =4m2 =2m =2×10dm =20dm

Now we height of cone is, h=21dm

The Right Circular Cone shaped tent is

Now we find the volume of air inside cone which is equal to the volume of cone

V=13πr2h=13×227×(20dm)2×21dm=22×400×213×7dm3=8800dm3

Now we have 16 men sleeping in a tent. So, we have to divide Volume of air inside the tent by the number of men present in the tent.

Volume of air per man = Volume of ConeNumber of men=8800dm316=550dm3

Hence the average volume in cu.dm of air per man is 550dm3.

Hence Option B is correct.

Note: In these kinds of questions, check the units of all given parameters, if the units are different convert them into one form. Meter and Decimeter are the two units of distances and

1m=10dm.

Answer 2

Answer:

7.483 m³

Step-by-step explanation:

First we take out the volume of the military tent.

Volume of cone = $\pi$*r³*h/3

radius = 7/2 = 3.5 m

height = 7 m

Volume = 89.8 m³ (approx.)

If there are 12 soldiers sleeping, cubic area occupied by one soldier :-

89.8/12 = 7.483 m³