11 = sqrt of 121. it is a circle centred on the origin think what would happen on the line x=0 (The y axis) the equation simplifies to y2 = 121 or y =11
you can also think of eqn of a circle as x2+y2=r2
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9 (APEX)
The radius of a circle inscribed in a regular hexagon equals the length of one side of the hexagon.
The equation of a circle centered at the origin is x2 + y2 = r2; in this case, x2 + y2 = 64.The equation of a circle centered at the origin is x2 + y2 = r2; in this case, x2 + y2 = 64.The equation of a circle centered at the origin is x2 + y2 = r2; in this case, x2 + y2 = 64.The equation of a circle centered at the origin is x2 + y2 = r2; in this case, x2 + y2 = 64.
The answer depends on what they are segments of: the answer will be different depending on whether they are line segments or segments of a circle or even different circles.
Radius = 1111
The ' 1 ' in that equation is the radius.
sqrt 36 ie 6
10 Both the x-intercept (y=0) and the y-intercept (x=0) have a length of 10 units.
The length of the arc of ABC is 22pi. You can get this answer by completing this equation 330/360*24pi, which will give you 22pi.
chords inside circles can be any length from the diameter to almost zero length.
Circle A has more area than B
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The circles are concentric with centre (0,0). The radius of the outer circle is sqrt(72), that of the inner circle is sqrt(18). By Pythagoras, the length of the semichord is sqrt(72 - 18) = sqrt(54) units. Therefore the chord is 2*sqrt(54) = 6*sqrt(6) = 14.679 units (approx).
The center of a circle is the same for all circles but the length of the radius can change
C=2(3.14)rThis is circumference equation for circles. If you have the circumference, you need to input it into the equation and solve for r. r is the radius of the circle, so to determine the diameter, which is 2 times the length of the radius, you just need to multiply the number you got for r times 2.
x2 + y2 = 25