Probably a kite or an irregular trapezoid.
The function is being multiplied by three each time!
The answer is going to be D.
7x-23+11x+23=180
4x+0=180
4x/4=180/4
X=45
Answer: x=45
surface area= perimeter x height + 2b
s= pxh+2b
example: 18(8)+2(12)
explain: 18 is the perimeter and 8 is the height then you have to add the base times 2