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.
(5f-3)(-2)
-10f + 6 = 0
f= 6 + 10
f = 16
Let n be unknown number, then 1/5 of this number is 1/5n. When you add these two numbers, you get
You know that this sum is equal to 24, so
1. Multiply this equation by 5:
2. Solve it:
Answer: n=20, correct choice is B.