I have no idea what is is but try 4 or 1,If not you should go on cymath
Answer:
b<58/5
Step-by-step explanation:
Sorry I don’t understand 1-100=99 sorry
1) Striangle = 1/2 * (12-8) * 4 = 1/2 * 4 * 4 = 8 km^2
2) Srectangle = 4 * 8 = 32 km^2
3) Sfigure = 8 + 32 = 40 km^2
Number C