No More Daily Warm Ups
description
Transcript of No More Daily Warm Ups
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No More Daily Warm Ups
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EOCT Week 15 #1
An equation of line a is y = x – 2.
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Quiz
• If you didn’t do well, the test will replace your quiz grade. This just shows you some mistakes that you made. Do not be to upset about it.
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How do you know when two chords are congruent?
LP PM
ALP = BMP = 90
a. corresponding arcs are
congruentA
B
C
D
M
L
P AD BC
b. equidistant from the center
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Flow Chart Proof
AB CD
Given
EA EB EC ED
All radii are congruent
AEB CED
Congruent arcs have
congruent measures
AEB CED
SAS
AB CD
CPCTC
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2x x + 40
2x = x + 40
x = 40
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1. In K, K is the midpoint of RE. If TY = -3x + 56 and US = 4x, find the length of TY.
Y
T
S
Kx = 8
TY = 32
U
R
E
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A
B
C
D
IF AC is the perpendicular bisector of segment DB, then…
It’s the DIAMETER!!!Arcs DC and BC are congruent!!!
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2. In Q, KL LZ. If CK = 2x + 3 and CZ = 4x, find x.
K
Q
C
L
Zx = 1.5
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3. In P, if PM AT, PT = 10, and
PM = 8, find AT.
T
AM
P
MT = 6AT = 12
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Your turn!
4. ÐUTV ÐXTW.
Find WX.
y=7WX=11
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Your turn!
5. Find mAB
130º
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Your turn!
6.CE =30
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Your turn!
7. LN =
96
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Segment Lengths
in Circles
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part
part
partpart
part part = part part
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9
2
6
xx = 3
8. Solve for x.
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9. Find the length of DB.
8
12
2x
3x
x = 4
DB = 20
A
B
C
D
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10. Find the length of each chord.
x = 8
AC = 13
DB = 14
x
5
x – 4
10
A
B
C
D
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outside whole = outside whole
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EA
B
C
D
713
4
x
7(7 + 13) 4 (4 + x)=
11. Solve for x.
140 = 16 + 4x124 =
4x
x = 31
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E
A
B
CD 8
5
6
x
6 (6 + 8)
5(5 + x)=
12. Solve for x.
84 = 25 + 5x59 = 5x x =
11.8
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2tan = outside whole
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24
12 x
242 = 12 (12 + x)576 = 144 + 12x x = 36
13. Solve for x.
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15
5
x
x2 = 5 (5 + 15)x2 = 100
x = 10
14.
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