Answer:
90 ft
Step-by-step explanation:
first you find the area of the 10 by 3 triangle, since on the other side it,s the same, all we need to do is find one of each triangle then mulitply it by 2 to get the area. then find the area of the 20 by 3 triangle. once you do that you will get 45, then you multiply it by 2 because it is the exact same on the other sides. then when you do that you get 90 ft. I hope this helps you! peace out.
Answer:
The answer is 20.
Step-by-step explanation:
10+12=22 round 22 to the nearest tenths and the answer is 20.
I hope is right.
Answer: D
Step-by-step explanation: