Answer:
Step-by-step explanation:
Measure of an arc is equal to the measure of its corresponding central angle.
Here, measure of the corresponding central angle of the arc EF is 146°
Therefore,
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<h2><em>Answer:</em></h2><h3><em>-</em><em>2</em><em>x</em><em>-</em><em>2</em></h3>
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the surface area of the sphere is π/4 cm^3
<h3>How to determine the surface area</h3>It is important to know the formula for surface area and volume of a sphere
Surface area =
Volume =
First, let's determine the value of radius, r
The value for volume was given as 256/3π cm3.
Pi cancels out and we have cross multiply to get the radius
Make r the subject of the formula
r = 4
Let's substitute to find the surface area
Surface area =
Surface area = π/4
Surface area = π/4 cm^3
Thus, the surface area of the sphere is π/4 cm^3
Learn more about a sphere here:
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