The surface area of a sphere is 19what is the sphere radius
1 answer:
Surface area of sphere = 194<span>πr^2 =19</span><span>πr^2=19/4</span><span>
</span><span>πr^2=4.75</span><span>
</span><span>r^2=4.75/3.14 (where </span><span>π=3.14</span><span>)</span><span>r^2=1.51</span><span>r= </span>√1.51
r=1.22
I don't know about the unit though.
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