The circle graph shows how Tremaine divided his time on the computer last week. Tremaine used the computer a total of 30 hours l
ast week. How many more hours did Tremaine use the computer to play games than to do research?
A) 20 hours
B) 6 hours
C) 1.5 hours
D) 7.5 hours
A) 20 hours
B) 6 hours
C) 1.5 hours
D) 7.5 hours
2 answers:
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Answer:
Option (3)
Step-by-step explanation:
In a right triangle,
Cosine rule →
Sine rule →
In the given triangle,
By cosine rule,
Or cos(h°) = z ÷ x
Therefore, Option (3) will be the answer.