Answer: 410 square km
Step-by-step explanation:
The area of each of the triangles with their base on the 10 km side is , so their combined area is .
The area of each of the triangles with their base on the 12 km side is , so their combined area is .
The area of the bottom rectangular face is .
So, the total surface area is
Step-by-step explanation:
what type of help u want......
The answer is (B) 2<em>k</em><em> </em>= 18
Yes, it is the longest river