Circles

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MC Squareroot

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X squared plus y squared equals r squared
Properties of circles, now you're prepared
X squared plus y squared equals r squared
Properties of circles, no need to be scared

This geometric figure never stops going round
All points are equidistant from the center to the ground
We recognize this shape, that of a circle
Has properties throughout, those universal
The distance from the center to a point on the  end
Is called the radius, doesn't change doesn't bend
A straight line with two endpoints that lie on a circle
Is referred to as a chord, diameter is its focal
Point is on the midpoint, exiting on the center
The middle of the shape, never ends never enters

A tangent is a line that touches, doesn't pass through
The circle at one point, only has a single debut
If the radius hits a tangent at its point of contact
They form a right angle, perpendicular artifact
A secant is a line that passes through two points
It differs from a chord, no terminating joints
An angle formed at center by two radii
Is a called a central angle, the arc identifies

The measure is congruent, relationship direct
A sector is the area contained in intercept
A segment of a circle is the region bounded by
A chord and its arc, surrounded comply
If an arc is bigger 180, degrees its major
The smaller ones are minor, in this nomenclature
A semi-circle is half, not major nor minor
It measures 180, vertex is flat liner

If two chords share an endpoint on the edge of a shape
The angle is inscribed, at a two to one rate
The arc is twice as large, to the angle correspond
The vertex half the measure, to the arc that's beyond
If a central angle intercepts, an arc of equal length
To that of the radius, its one radian not degrees
Radians are important in trigonometry
Two pi radians three sixty degrees

X squared plus y squared equals r squared
Properties of circles, now you're prepared
X squared plus y squared equals r squared
Properties of circles, no need to be scared
X squared plus y squared equals r squared
Properties of circles, now you're prepared
X squared plus y squared equals r squared
Properties of circles, no need to be scared

X squared plus y squared equals r squared
Properties of circles, now you're prepared
X squared plus y squared equals r squared
Properties of circles, no need to be scared

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