Answer:
24
Step-by-step explanation:
13 times 12= 156
180-156=24
x= 5
12 squared + b squared = 13 squared
144+ b squared = 169
b squared = 25
b squared= √25
b=5
Answer: D
the answer is A)523.90, hope this helps
I think the area is 36
and the surface area is 235.2