What are the solutions of 12 - x2 = 0?
X = 23 and x = -2/3
x = 3V and x = -373
x = 45 and x = -4/3
x = 6 and x = -6

step-by-step explanation:

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arc length = 6.63311 ft.

step-by-step explanation:

the formula the arc measure is:

arc length s=2πr(c)/360

where:

c   is the central angle of the arc in degrees

r   is the radius of the arc

π   is pi, approximately 3.142

using the above formula we get

s =

thus we find that arc length of an arc for a circle of radius 20 feet and central angle 19 degrees is

6.63311 feet