The table shows the relationship between Megan’s earnings and the hours that she worked. What is the missing value in the table?
2 answers:
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a = 6.2
Solution:
Given ABC is triangle.
AC = b = 8, BA = c = 11, ∠A = 32.2°
BC = a
To find the length of a:
Law of cosines:
Taking square root on both sides of the equation.
a = 6.1464
a = 6.2
The length of BC is 6.2.