Answer:
A. 2.35
Step-by-step explanation:
The angle that is obtuse is 1, because it is greater than 90°.
Hope this helps and have a nice day:)
In order to find the area, you multiply the width (7), height (6) and length (12). But the problem states that the height has changed from 6 to 6 minus3, which would be 3. So you multiply 3, 7, and 12.