I believe it would be 38.1

b = base length (of triangle)
h = height of triangle
s = side length of triangle
l = length of rectangle
<u><em>PLEASE PROVIDE AN EXAMPLE!</em></u>
-
Without an example, the only thing I can tell you is a Polygon is a plane figure with three straight sides (or more) and angles. (usually 5 or more.)
<em>-</em>
<em>Sorry, This was all I could provide with the amount of information given, please try to provide more information! If you have extra information, please let me know and I'll be sure to help!</em>
Answer:
11.9
Step-by-step explanation:
The tenth place is the first decimal. You round down from 1-4 and up from 5-9, so round up.
11.9
Answer: 9 and 27
Explanation: x+3x=36
Combine like terms
4x=36
Divide by 4
X=9, which would be one of the numbers.
So if x = 9 we would do 3(9) which would equal 27
So the answer would be 9 and 27
Hope this helps!