Answer:
3.84 x 10^5
Step-by-step explanation:
11)
A= (B x H)/2
A= (2.9x3.2)/2= 4.64cm²
12)
A= (B+b)H /2
A= (12+10)5.6 /2 = 61.6in
The height of the rectangular prism is <u>3.1</u>
÷
Sure hope this helps