Question

of the two parts.
32
rcm3 and height of the coneissa
3
opposite sides. If the volume of solid is
then find the base radius.
22. A solid is made by joining a hemisphere and a cone on the same base bo​

Answer 1

Answer:

Step-by-step explanation:

V = (4/3)πr³  

So the volume of a hemisphere will be half of that, which is (2/3)πr³  

The volume of a cone of base radius r and height h is:  

V = (1/3)πr²h  

We are told that r = 4.2 cm  

The total height of the toy is made up of (the height of the cone) + (height of hemisphere)  

So the height of the cone = 10.2 - 4.2 = 6 cm  

So the volume of the toy = (volume of hemisphere + volume of cone)  

= (2/3)π * 4.2³ + (1/3)π * 4.2² * 6  

= 155.2 cm³ + 110.8 cm³  

= 266 cm³

If this is not clear, Please refer the attachment ;)

Hope This Helps :)