First of all, you want the variable to be isolated, so in order to do that, you divide in both sides. Ten divided by two is five. So f = 5.
2f + 10
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2 2
10 divided by 2 = 5
Answer:
50.714 (3 dp)
Step-by-step explanation:
Using trigonometry.

Answer:
B
Step-by-step explanation:
Answer:
<AOB and <BOC
Step-by-step explanation:
Central angles are formed by any two radius
<AOB and <BOC
You are correct