The most important thing that you have to know is that all angles in a triangle equals 180°
Answer:
c
Step-by-step explanation:
Answer:

Step-by-step explanation:
Answer:
I think the answers are...
B. 6 feet by 5 feet by 4 feet
C. 7 feet by 6 feet by 4 feet
D. 8 feet by 3 feet by 7 feet
(I'm so sorry if it's wrong)
Hope this Helps!