The answer is -37, Hope that helped!
You would have to find the height.
To do this, you cut the triangle from the upper vertex to the base to create two new triangles.
Then you use the Law of Cosines. You could use the google calculator for this by searching “law of cosines calculator” and inputting the values, but in case of a test, the formula is a^2 = b^2 + c^2 - 2bc cosA
If you could provide an example of a triangle, I will gladly help you with the steps! Hope this helped!
Answer:
30:16-15:8 That is simplified and I divided it by two.
You would divide 27 by 12.
27 / 12 = 2.25
So, he used 2.25 pounds per sandwich.
