Sarah has 2 spherical balls with radii of 6 mm. One ball is pure gold and the other is pure silver. If the density of gold is 19.3 g/cm3 and the density of silver is 10.5 g/cm3, about how much greater is the gold ball’s mass than the silver ball’s mass?

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step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value

step-by-step explanation:

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