2 years ago

Determine the approximate value of a. 18.11 7.05 7.95 9.71

Mathematics

1 answer:

Alex777 [14]2 years ago

6 0

Answer:

7.95

Step-by-step explanation:

In order to solve this, we need to use the rule of sine which is (a/sinA)=(b/sinB)=(c/sinC). Since we have both values of c we can do (12/sin104), which equals ~12.37. Therefore, since we already have A, 12.37=(a/sin40). We can change this by doing sin40×12.37=a. sin40×12.37=7.95.

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