Circle Area and Circumference
Angles and segments
circle
100
What is circumference?
Length around the outside of a circle.
100
what is chord
A segment with endpoints on a circle.
100
a distance across the circle through the center
diameter
200
r = 1.2 yd
Calculate the area of the circle.
4.52 yd2
200
what is Inscribed Angle
An angle whose vertex is on the circle and whose sides are chords.
200
the distance from the center of a circle to any point on the circle.
radius
300
d = 1 cm
Calculate the area of the circle.
0.79 cm2
300
120 degrees
300
every diameter is this
chord
400
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r = 6.2 mm
Calculate the area of the circle.
120.7 mm2
400
What is the value of b?
75 degrees
400
Name two chords on this circle that are not diameters.
DE and FG
500
d = 2.3 yd
Calculate the area of the circle.
4.15 yd2
500
90 degrees
500
What are AC and DG?
diameters