A few days ago
help with homework? radius of the central angle?….read more please…..?
find the radiun measure of the central angle of a circle with radius of 12 ft that intercepts an arc of a 25 ft length… please help…. i cant remember the formula to figure it out.
Top 1 Answers
A few days ago
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First you need to determine the circumference of the circle, C=2pi(r) = 24pi = approx. 75.36 ft.
Since the arc is 25 ft., you have a ratio of 25/75.36
This is approximately 1/3 of the whole circumference.
That means the radian measure is approximately 1/3 of 2pi, which is 2pi/3.
done!
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