Find the equation of the lines passing through the origin and perpendicular to the lines represented by x²-2xy + y² +5x-2y+1=0. When the general equation of second degree becomes circle? Use it to change the equation x²-5xy + y² +5x-2y+1=0 into the circle. Also find the length of tangent to the circle from the point (3,-3).​

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step-by-step explanation:

step-by-step explanation:

step-by-step explanation:

because it just is

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