Answer:
60
Step-by-step explanation:
8640/60 is 144. 144 is a perfect square. 12*12 is 144
Answer:
value of x is 20
Step-by-step explanation:
If u got any doubt regarding this u can ask anytime :)
Answer:

Step-by-step explanation:
Given
and 
Required
The relationship between them
and 
From the question, we understand that
and
are supplementary
Supplementary angles add up to 180.
So, the relationship between
and
is:

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
