To get the reciprocal, simply flip the numerator and denominator. The reciprocal of 3/10 is 10/3.
Answer:
sorry i was late but the answer is 100% A
Step-by-step explanation:
i just took the test made 100
Using the law of cosine for Triangle KJL, we can write:

Using the values of k,j and l, we can write:

Rounding to nearest integer, the measure of angle J will be 48 degrees.
So option B gives the correct answer