3x-x+2=4 is what I believe your looking for. Hope this one helps.
Answer:
174 inches squared
Step-by-step explanation:
First, we have to remember what the area of a triangle is:

Since there are 4 of the same triangle, multiply the area of one triangle by 4:




C=2πr
Divide by 2r
c/2r=pi
So pi equals c over quantity 2 times r
X = -3 use photo math if you get stuck, its really helpful!!