27; The first stack is 3 x 3 (= 9). You then multiply 9 by 3 (for each of the 3 stacks). Basically, 3 x 3 x 3.
This site will tell you how https://sciencing.com/write-functions-math-8315770.html
I’m not very good at explaining it sorry
I mean...the number ends in a even number, you could go by 2's, or is that not what you mean. I can help you some other way if you could explain a bit more :)
Answer:
<h3>20.6 ft</h3>
Step-by-step explanation:
You must use the trigonometric function.
In this case, it will be tangent.

We have


Substitute:

<em>multiply both sides by 20</em>

Tree height is r + 5.
Therefore
