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29 June, 07:52

What is

60=4•3.14•r2

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Answers (1)
  1. 29 June, 11:49
    0
    That would be the surface area of a circle with a radius of r.

    60=4πr^2

    r^2=15/π

    r=√ (15/p) and if we use 3.14 as an approximation of π

    r=√ (15/3.14)

    r≈2.19 units to nearest hundredth of a unit
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