Find the area of four walls of a room (Assume that there are no doors or windows) if its length 12 m., breadth 10 m. and height
2 answers:
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Answer:
No.
Step-by-step explanation:
No, Bob is not correct.
The formula he's using is the following:
The important thing here is that the angle is between the two sides.
In the given triangle, 120 is not between 8 and 18. Therefore, using this formula will not be valid.
Either Bob needs to find the other side first or find the angle between 8 and 18.