Answer:
C sorry if its wrong
Step-by-step explanation:
Answer:
56.
Step-by-step explanation:
The answer is V=0.3157=0.32
Answer: 31.5
area of a triangle= bh/2 —> 7 times 3 divided by 2 equals 10.5
area of a rectangle = bh —> 7 times three equals 21
21+10.5=31.5