The circumference of a circle = 30pi. What is the diameter, radius, and the arc length of a 270° arc?
Answers
Answered by
1
Answer:
radius = 15 units
diameter = 30 units
Answered by
3
Answer:
diameter = 30, r=15, and arc length = 45 pi
Step-by-step explanation:
2*pi*r=30*pi
from this r = 15.
270 degrees = 3 pi radians
r*theta = arc length
therefore 15*3pi = 45 pi is the length for 270 deg arc
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