Answer:
84
Step-by-step explanation:
The mean is calculated as
mean = , then
= 21 ( multiply both sides by 4 )
sum = 84
Show your working and your answer here? Eleri and her friends plan an adventure holiday together. Eleri buys these items for the
1 answer:
You might be interested in
Answer:
Aha..our nemesis problem. :)
The area is 129.90 ft ^2.
Step-by-step explanation:
First, use a 30-60-90 triagle to find the apothem.
That is the area of 1 triangle. There are 6 of them in a hexagon, so multiply that number by 6:
21.65*6=129.90 ft ^2
Have a great day!