Find the surface area of each figure. Round your answers to the nearest tenth, if necessary
1 answer:
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Answer:
x = 2.5
Step-by-step explanation:
The arc length x is calculated as
x = circumference of circle × fraction of circle
= 2πr × ( cancel 2π on numerator/ denominator )
x = 1 × 2.5 = 2.5
Answer:
<h2>R = 16 in</h2>Step-by-step explanation:
The formula of a Surface Area of a sphere:
R - radius
We have
Substitute:
<em>divide both sides by π</em>
<em>divide both sides by 4</em>