Answer:
D. 1662 cm
Step-by-step explanation:
A=πr2=π•23≈1661.90251cm²
which is 1661.9
but of course you have to round up for 1662 cm :)
Answer:
Less than 26 (>26)
Step-by-step explanation:
Cross multiply and set it up like this.
1800 X
------- • -------
80 24
Multiply 1800•24
Then divide by 80 and you get 540.
We want to choose 4 people and we have 6 people to choose from. This is a combination of 6, 4 by 4. Also called <em>six choose four</em>.
The following formula:

Is the combination of
objects choosen from a total of
. It's
choose
.
For our problem, we just need to compute the following:

Thus

Therefore the answer is 15 different combinations