The mean of a set of data is the average, so when writing a conclusion or justifying a solution, instead of listing all your data you can say "the average of the data collected was _____"
Answer:
CA ≈ 3.1 ft
Step-by-step explanation:
Using the tangent ratio in the right triangle
tan40° = 
= 
= 
( multiply both sides by CA )
CA × tan40° = 2.6 ( divide both sides by tan40° )
CA = 
≈ 3.1 ft ( to the nearest tenth )
triangle area: 19cm×17.5cm÷2=166.25
square area: 19cm×19cm=361
all:361+166.25×4=1026
I have seen this problem before, except it was worded differently. Is this the problem you wished to express?
1+4=5, 2+5=12, 3+6=21, 8+11=?
If so, then your answer is to simply add the last answer to the next problem. If not, then I am afraid I cannot help you.
1+4=5
5+2+5=12
12+3+6=21
21+8+11=40
-2/3 is the answer bc you divide both by two and it simplifies
