S2S Midyear Exam Revision video 6

The answer should be 96 4/5 not 98 4/5!!!

There is another way to do the calculation. If you use xdy, it is a bit longer and tedious. I suggest you fully understand and master the following method. This is very useful in many cases. It uses a very fundamental concept — the circumference of a circle times the height and the thickness. This will produce the necessary volume.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s