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3 years ago

Please help I just can’t find the answer

Mathematics

2 answers:

Talja [164]3 years ago

4 0

Answer:

Step-by-step explanation:

Mumz [18]3 years ago

4 0

Answer:

The arc-length of the semicircle is approximately 34.54 units

Step-by-step explanation:

Recall that the arc length of the whole circumference is defined by the formula:

$Circumference's \,\,length=2\,\pi\,R$

where R is the radius of the circle (in your case 11 units)

So the length of half a circumference (which is actually the arc length of the semicircle you are requested to find) would be half of the formula we just mentioned:

$Arc\,\,length=\pi\,R\\Arc\,\,length= 3.14\,(11)\\Arc\,\,length= 34.54\, \,units$

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marysya [2.9K]

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