Question

MEDAL!!

With reference to the diagram, what is cosA?

Answer 1

My choices are: A.0.250
B.0.447
C.0.558
D.0.894
E. 1

Answer 2

The angle A = 180 - (26.57 + 90).

You can input the answer into your calucator to get cosA!

Answer 3

i got 63

Answer 4

@AltCode

Answer 5

You're almost there! Angle A = 63 degrees. If you are using a calculator, you can type in 63 and then hit the cos button. It should come out as B, 0.447!

Answer 6

If you are using a graphic calculator you may need to hit the cos button first, and then type in 63 so that it looks like this:
cos(63)

Answer 7

okay