Answer:

Step-by-step explanation:
Hi!
Since an equilateral triangle means that every side is equal, our triangle will have 12 on all sides.
To find the height of an equilateral triangle we use
.
.
So the height is
.
Now we have to solve 12 *
÷ 2.

.
Thus, the area of the triangle is
.
Hope this helps!
The answer would be D because 3h + 2 (water) has to be less than or equal to > 14
Vertical line between two different types pass a number and number two is the correct answer