It is given that 3/7 , 12/m and n/49 are equivalent fractions. Find the value of ‘m’ and ‘n’.
1 answer:
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Basically it’s a proportionality...hope this helps :)
Given:
Consider the below figure attached with this question.
To find:
The measure of angle r by using the cosine rule.
Solution:
According to Law of Cosine,
Using the Law of Cosine, we get
On further simplification, we get
Therefore, the measure of angle r is 106.78 degrees.
