Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN: 9781337614085
Author: Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher: Cengage,
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I Need help with these I'm super confused 

center =
radius=
3. A diameter of a circle has endpoints P(-7,-4) and Q (3,2).
a. Find the center of the circle (hint use midpoint formula)
b. Find the radius. If your answer is not and integer, express in radical form. (hint use
distance formula)
c. Write an equation for the circle.
1
equation of the circle:
5
8
T /
1
B
5
0
1
1
1
1
O
ي
Co
work:
< 2/3 - >
1
1980
4. Find x. The figure is not drawn to scale.Is the triangle
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Transcribed Image Text:center = radius= 3. A diameter of a circle has endpoints P(-7,-4) and Q (3,2). a. Find the center of the circle (hint use midpoint formula) b. Find the radius. If your answer is not and integer, express in radical form. (hint use distance formula) c. Write an equation for the circle. 1 equation of the circle: 5 8 T / 1 B 5 0 1 1 1 1 O ي Co work: < 2/3 - > 1 1980 4. Find x. The figure is not drawn to scale.Is the triangle
O
F1
1. JK, KL, and LJ are all tangent to circle O. The diagram is not drawn to scale If JA = 14, AL
= 12, and CK = 8, what is the perimeter of AJKL?
work::
A
perimeter =
F2
8.
с
80
F3
B
K
S
2. The farthest distance a satellite signal can directly reach is the length of the segment
tangent to the curve of Earth's surface. The diagram is not drawn to scale.
If the angle formed by the tangent satellite signals is 104°, what is the measure of the
intercepted arc (x) on Earth?
Q
F4
104% satellite
%
O
F5
8
U
8
1
1
A
I
3
6
8
work:
S
S
0
1
B
2
S
8
B
B
2
E
F
B
1
B
FO
F7
*
DII
F8
F9
7
F10
8
1
J
1
8
r
t
B
18
$
2
2
E
I
6
2
2
9
1
e
}
0
9
5
7
F11
+
3
F12
expand button
Transcribed Image Text:O F1 1. JK, KL, and LJ are all tangent to circle O. The diagram is not drawn to scale If JA = 14, AL = 12, and CK = 8, what is the perimeter of AJKL? work:: A perimeter = F2 8. с 80 F3 B K S 2. The farthest distance a satellite signal can directly reach is the length of the segment tangent to the curve of Earth's surface. The diagram is not drawn to scale. If the angle formed by the tangent satellite signals is 104°, what is the measure of the intercepted arc (x) on Earth? Q F4 104% satellite % O F5 8 U 8 1 1 A I 3 6 8 work: S S 0 1 B 2 S 8 B B 2 E F B 1 B FO F7 * DII F8 F9 7 F10 8 1 J 1 8 r t B 18 $ 2 2 E I 6 2 2 9 1 e } 0 9 5 7 F11 + 3 F12
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