The surface area of a sphere can be approximated as follows:
surface area
where is the radius of the sphere,
it is a constant that is roughly equal to 3.
using the simple approximation above, caloulate the surface area of a sphere
with a radius of 5 meters.
o a. 300 m
ob 500 m
o g. 3.600 m
od. 900 m2

Question:

The surface area of a sphere can be approximated as follows:

Surface area = 4πr2;

where r is the radius of the sphere;

π is a constant that is roughly equal to 3.

Calculate the surface area of a sphere with a radius of 5 meters using the simple approximation above.

The surface area of a sphere with a radius of 5 meters 300

Explanation:

Given:

Radius of the circle = 5 metres

the value of is approximately = 3

To Find:

Surface area of the sphere =?

Solution:

The surface area of the sphere can be calculated using the below formula,

Surface area =

so now substituting the given values

Surface area =

Surface area =

Surface area = 300

the  frequency of a wave represents  the number of wavelengths that pass a specific point per second. the unit for  frequency  is hertz (hz).

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