Question

Please answer, it’s worth 12 points!

Answer 1

71.5°

Explanation:

The cosine of the angle is the ratio between the adjacent side of the triangle and the hypotenuse. Hence,

cos x =
`(adjacent )/(hypotenuse)`

=
`(2.0)/(6.3)`

x =
`cos^(-1)`
`((2.0)/(6.3))`

x = 71.5° (1 dp)