Answer:
396 
Step-by-step explanation:
Okay, so first we will find the triangle area.
9 * 8 = 72/2 = 36.
Now multiply this by 11 (the width of the prism)
36 * 11 = 396 
Answer:
899.5
Step-by-step explanation:
Tis’ 5 mah lad
Explernation:
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Have a great day!
If you estimate it the equation is -10+12=9+12=21 or 2=21=21 so the answer is false<span />
Your answer would be B. This doesn't have four right angles.. nor are you trying to make a square/rectangle.
Hope this helps.