circles vocab
cord passing through the center of a circle
what is diameter?
definition of central angle
what is angle where the vertex is?
define inscribed angle
what is an angle with its vertex on the circle with two sides that are chords
80+40/2=
what is 60O
90-20/2
x=35
arc found between 2 endpoints of an angle of the circle.
what is intercepted arc?
circle has an arc of 25 with unknown central angle(x)
circle includes central angle of 55 with unknown arc
what is X=25, z=55
given an inscribed angle in a circle, the arc is 62 and the angle is unknown(X). solve for x
what is x=31o
114+76/2=
What is 95o
x=135-20/2
what is x=57.50
what is sector?
180-41+67=x
what is X=72
given the arcs 180 and 94 of a circle, what is the arc of BC
what is BC= 86
115+97/2=106
180-106=x
what is 74O?
x=228-132/2
what is x=48
line outside the circle that only intersects the circle at the point of tangency.
what is tangent line?
(2x-14)=360
what is X=26?
given the arc of the circle (180) what is the angle of Abc
what is x=90o
60+x/2=40
360-60+200+20=y
what is x=20, y=80
2x40=130-x/2
what is x=50
an arc that measures longer than 180 or larger arc on a circle.
what is major arc?
ab=
2x-8=4x-20
what is AB=2
given the arc 242 for JL of a circle, what is the angle of JKL?
what is JKL=212o
2x72=125+x/2
what is 19o?
x=40-30/2
what is x=30