Remember that the formula for the surface area of a sphere is
. Substitute the given surface area to solve:
. Divide by 4 on both sides:
. Divide by pi on both sides:
. Square root on both sides to find the radius:
Answer:
13
Step-by-step explanation:
It is radius.
<span> x/3-2=7
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SImplify
1/3x - 2 = 7
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add 2 to each side
1/3x - </span><span><span>2 </span>+ 2 </span>= <span>7 + <span>2
1/3x = 9
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Multiply each side by 3
3 * (1/3x) = 3 * 9
x = 27</span></span>
Answer:
Here is a diagram I made that shows all of the angles of the letters. (By to the way, letters I, C, and S don't have any angles, so I didn't include them.)
Step-by-step explanation:
