This geometric figure never stops going round
All points are equidistant from the center to the ground
We recognize the shape,
that of a circle Has properties throughout,
those universal
The distance from the center to a point on the end
Is called a 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
X squared plus Y squared equals R squared
Property in the circles, now you're prepared
X squared plus Y squared equals R squared Property in the circles,
now you need to be
scared 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 artifice
Secant is a line that passes through
two points It differs from a chord,
no terminating joints
An angle formed at center,
but too radii It's called a central angle,
the arc identifies
X squared plus Y squared equals R squared Property in the circles,
now you're prepared
X squared plus Y squared equals R squared Property in the circles,
now you need to be scared
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,
in its arc,
surrounded,
comply
If an arc gets bigger than 180 degrees,
it's major The smaller ones are minor in this nomenclature
A semicircle is half,
not major nor minor It measures 180,
vertexes,
flat liner
X squared plus Y squared equals R squared Property in the circles,
now you're prepared
X squared plus Y squared equals R squared Property in the circles,
now you need to be scared
Two chords share an end point on the edge of a
shape The angle is inscribed at a 2 to 1 rate
The arc is twice as large,
do the angle correspond?
The vertex have to measure to the arc that's beyond
If a central angle intercepts an arc
of equal length To that of the radius,
it's when radian not degrees
Radians are important in trigonometry Two pi radians 360 degrees
X squared plus Y squared equals R squared Property in the circles,
now you're prepared
X squared plus Y squared equals R squared Property in the circles,
no need to be scared
X squared plus Y squared equals R squared Property in the circles,
now you're prepared
X squared plus Y squared equals R squared Property in the circles,
no need to be scared
Circles, circles,
like a bird up in the sky Round in circles,
circles,
like a bird up in the sky
Round in circles, circles,
like a bird up in the sky
Round in circles, circles,
like a bird up in the sky