The straight edge of the semicircle is 4 units, as this is this the diameter.
The circumference of the full circle is
C = pi*d = pi*4 = 4pi
which is the distance around the full circle (aka circle's perimeter)
So half of this is 4pi/2 = 2pi
Add this onto the straight edge length to get 4+2pi as the exact distance around the entire semicircle. This includes both straight and curved portions.
If you use the approximation pi = 3.14, then 4+2*pi = 4+2*3.14 = 10.28 is the approximate answer. To get a more accurate answer, use more decimal digits in pi.
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In summary,
exact answer in terms of pi is 4+2pi units
approximate answer is roughly 10.28 units (using pi = 3.14)
Answer:
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Step-by-step explanation:
29.3938769134 ft
Take the radical of 864 to get an answer based on the limited info provided.
So what you do is subtract 4b on both sides so it will be -ax=9+4b then divide x on both sides and you have your answer
The thousandths place is always the third place after the decimal. Since the nine is there, the one tells it what to do. One is small so it stays at nine. A jingle is 5 and above move up one and 4 and below stay the same. The answer is 0.009
