the ratio of the radii of two half - hoops is 3:4 . what is the ratio of their circumference ?
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Answer:
The ratio of their circumferences is 3/4.
Explanation:
The ratio of the radii of two hula hoop is 3 : 4.
Radius of 1st hula hoop=3x
Radius of 2nd hula hoop=4x
Circumference = 2πr
C1/C2 = 2πr1/2πr2
C1/C2 = 2π3x/2π4x
C1/C2= 3/4
The ratio of their circumferences is 3/4.
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