A bicycle wheel with radius 26" rotates through an arc that measures 80°. What is the length of the arc of the tire that touched
1 answer:
Answer:
104/4 pi
Step-by-step explanation:
Answer: The circumference of a circle is:
Radius = r, Diameter = d, C = Circumference
C=2πr (as 2r=d)
C=πd
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If the radius of the circle is 26" then its diameter must be 52".
This means that the bicycle wheel has a circumference of 52π".
I'm going to divide 52π" into 360 parts (because a circle is made up of 360 degrees). I'll then multiply this value by 80 to give you an answer.
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Step-by-step explanation:
a) The volume of the prism is
b) If the dimensions L of the prism are tripled, the new volume will be
so it will increase by a factor of 27.