Circles
PSAT · Flashcards · Recall
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QUESTION
What is the relationship between diameter
d
d
d
and radius
r
r
r
in a circle?
QUESTION
State the equation of a circle with center
(
h
,
k
)
(h,k)
(
h
,
k
)
and radius
r
r
r
in standard form.
QUESTION
State the chord-chord power theorem: chords intersect at
E
E
E
with segments
A
E
,
E
B
AE,EB
A
E
,
E
B
and
C
E
,
E
D
CE,ED
C
E
,
E
D
.
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ANSWER
A
E
⋅
E
B
=
C
E
⋅
E
D
AE\cdot EB=CE\cdot ED
A
E
⋅
E
B
=
C
E
⋅
E
D
. Products of chord segments are equal at intersection.
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