31 Given: Point K is between points J and L,
KL = 5x - 1, JL = 17, JK = 2 + 3x
2+30 5x)
Prove: KL = 9

How do I solve this in a statement and reason format

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Hello! i hope this
since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.