Answer:
Step-by-step explanation:
Since, by the SAS formula of finding the area of triangle,
The area of triangle, 
Where,
and
are adjacent sides and
is the included angle of these sides
Here,
And, 
Thus, the area of the triangle ABC,



Therefore, Third Option is correct.
61.7 seconds?? Please make it more clear, and there may be some missing information
Answer: x+3y−9
Step-by-step explanation:
Simplify the expression.
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Step-by-step explanation:
1. 51-x-5
= 46-x Answer
2. 21-24
= -3 Answer