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13 questions
What is this an example of?
radius
Diameter
chord
secant
What is this an example of?
radius
diameter
secant
tangent
If a radius is 5 cm then what is the length of the diameter?
If a diameter is 36 cm then what is the radius?
Which segment is the diameter?
DE
BO
AO
AB
Which segment is a radius?
RO
AO
OB
all the above
Which point is the center?
O
A
B
C
Pythagorean review: If a is 8 and c is 9 then what is b?
2
$\sqrt{145}$
$\sqrt{17}$
Use previous knowledge to figure out how to solve for line segment RP. (use Pythagorean theorem)
74.45
$\approx\ 8.65$
$\approx5.67$
What is the definition of the center of a circle?
A segment whose endpoints are on a circle.
An angle whose vertex is the center of a circle.
The point from which all points on a circle are equidistant.
Two endpoints on a circle and all of the points on the circle between those two endpoints.
Lets remind ourselves, how many degrees are in a circle?
180 $\degree$
$360\degree$
$90\degree$
270 $\degree$
Lets remind ourselves, how many degrees are there in a triangle?
NEW VOCABULARY: If DE is a chord, what do we think the definition of a chord is?
the same as a radius
the same as a diameter
a line segment connecting two points on the circumference of a circle
a line segment with one point on the circumference and the other point at the center
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