Find the circumference of a circle with radius, r = 12m.Give your answer in terms of π.
2 answers:
Answer:
24π
Step-by-step explanation:
The circumference of a circle uses this equation: . Just like the last question I answered, you want to give the answer in terms of pi, so we aren't going to multiply pi.
The question gives us the radius so we don't have to divide anything, we plug in r with 12 as is.
Now multiply the 2 and the 12 so it will be in terms of pi.
In terms of pi, the circumference is 24π.
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Answer:
52°
Step-by-step explanation:
In the figure attached, Circle A is shown. There we can see that:
∠BC + ∠CD = ∠BAD
We know that Arc BC measures 96° and arc BAD measures 148°. Replacing this data into the equation and solving for Arc CD, we get:
96° + ∠CD = 148°
∠CD = 148° - 96°
∠CD = 52°
