is there more?to this question
False. Some words like point, line and plane are not defined.
Answer:
2√21
Step-by-step explanation:
1) Simplify.
√84
2) Simplify √84 to 2√21.
2√21
Answer:
When s=2, A=24
Step-by-step explanation:
We are given the formula 
We need to solve and find value of A , when s=2
So, putting value of s in the given formula we can find value of A
The formula given is:

So, by putting s= 2, We get A=24