Question

The area of a circle of radius 12 units is equal to the surface area of a sphere of radius 6 units. True or false

Answer 1

Answer: True

Step-by-step explanation:

The formula for calculating the area of a circle is given as :

$Area = \pi r^{2}$

That is

$Area = \pi (12)^{2}$

$Area = 144\pi unit^{2}$

The formula for calculating the area of a sphere is given as :

$Area = 4\pi r^{2}$

That is :

$Area = 4\pi 6^{2}$

$Area = 144\pi unit^{2}$

Therefore it is true that the area of a circle of radius 12 units is equal to the surface area of a sphere of radius 6 units

Answer 2

Answer:

true

Step-by-step explanation:

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