Find the area of the sun..?

  • Thread starter Thread starter Engr. Ronald
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Engr. Ronald

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What is the erea of the sun using the formula Area= pir^2 and also find its diameter..
 
Well, the equation is great. But you need to know its radius. Fortunately, good old google has a decent approximation for the radius of the sun...

So, if you copied your formula down right, and:

A = pi*r^2

Then:

A = (pi) * 695,500km^2

I'll let you use your calculator to figure that out.

As far as diameter... well, just multiply the radius (which I already looked up for you) by 2.
 
That's the formula for a circle. For sphere you have: 4 * Pi * r^2

So all you have to do is input the radius.
 
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