Answer:
177 sq ft
Step-by-step explanation:
Big square = 169
4+4 = 8
13-8 = 5•1.6 = 8
Little square = 8
169+8 =177
The triangles would match if you chose D
is that the question because I'm not sure
5x-6+7x+18=180
12x=180+6-18
12x=168
168÷12=14
X=14
for y
3y+11=7x+18(7×14+18)
3y+11=116
3y=116-11
3y=105
y= 35