Work out the value of 3^2 + 2^3
2 answers:
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Given:
The volume of the sphere = 12348π in³
To find the radius of the sphere.
Formula
The volume of a sphere of radius r is
According to the problem,
Eliminating π from both the side.
or,
or,
or,
or,
or,
Hence,
The radius of the sphere is 21 inches.
Calculation of x:
we can see that
x is hypotenuse
so, we can use pythagoras theorem
Calculation of y:
we can use tan formula to find it
opposite=8
adjacent=10
Calculation of z:
we know that sum of all angles of any triangle is 180
...........Answer