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A circle's circumference is equal to the...

A circle's circumference is equal to the sum of the circumferences of two circles having diameters 34 cm and 28 cm. What is the radius of the new circle?

A

31 cm

B

62 cm

C

38 cm

D

28 cm

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • The circumference of a circle is equal to the sum of the circumferences of two circles having diameters 36 cm and 20 cm. The radius of the new circle is

    A
    `16cm`
    B
    `28cm`
    C
    `42cm`
    D
    `56cm`

  • The radius of a circle whose circumference is equal to the sum of the circumferences of the two circles of diameters 36 cm and 20 cm is

    A
    56 cm
    B
    42 cm
    C
    28 cm
    D
    16 cm

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