Answer:
105.12 ft²
Step-by-step explanation:
Let's first find the area of the rectangle.
ft², so the rectangle has an area of 80ft².
To find the area of the semi-circle, we find the area of a whole circle and divide by two.
The formula to find the area of a circle is
. The radius is 4, as the diameter is 8.



Add 80 and 25.12:

Hope this helped!
It would be 91°. Angles M and R correspond to each other.
Answer:
144
Step-by-step explanation:
The surface area of a sphere that has a volume of 288π cu in is 144 pi.
Answer:
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Step-by-step explanation:
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Middle option.
<span>(x + 1 ≤ 1) ∩ (x + 1 ≥ 1)
If you work both sides separately you get
</span>(x ≤ 0) ∩ (x ≥ 0)
<span>
which reduces nicely to
</span><span>{x | x = 0}</span>