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CHAPTER7.8Y
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à 7.8èReview
äèPlease answer ê followïg questions about circles.
â
èèèèèèèèè Not available ï ê Review Section
éS
èèèèèèèèè Not available ï ê Review Section
1
èèèèèèèèèèèèèèèèèName a secant ç circle P.
èèèèèèèèèèèèèèèè A) ╣╛èèèB) ▒┤èèèC) └╖
@fig7101.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç A
2
èèèèèèèèèèèèèèèName a poït ç tangency ç circle P.
èèèèèèèèèèèèèèèèè A) TèèèB) ║╜èèèC) ┼═
@fig7101.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç A
3
èèèèèèèèèèèèèèèèèèèèèè Name ░╡.
èèèèèèèèèèèèèèè A) Diameterèè B) Secantèè C) Tangent
@fig7101.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç B
4èèèèèèèèè
èèèèè The longest chords ç a circle are also diameters.
èèèèèèèèèèèèA) Trueèèèè B) False
ü
èèèèèèèèè Not available ï ê Review Section
Ç A
5èèèèèèèèèèèèè If ê radius ç circle P is 6,
èèèèèèèèèèèèèèèèèèfïd ê area ç circle P.èè
èèèèèèèèèèèèèèèèA) 113.04èèèB) 96.8èèèC) 87.63
@fig7101.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç A
6èèèèèèèèèèèIf ╣▓ å │╕ are tangent ë circle P,
èèèèèèèèèèèèèèè can you show that êy are ▀?è
èèèèèèèèèèèèèèè (▒┤ is a diameter)
èèèèèèèèèèèèèèèèèèèA) Yesèèèèè B) No
@fig7202.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç A
7èèèèèèèèèèèèè If ░╕ is tangent ë circle P,
èèèèèèèèèèèèèèèèèèAB = 8, å AC = 6, fïd BC.
èèèèèèèèèèèèèèèèè A) 12.3èèèB) 10èèèC) 11.2
@fig7203.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç B
8èèèèèèèèèèèèè If ░╕ is tangent ë circle P,
èèèèèèèèèèèèèèèèèè╬ABC = 30°, å BC = 12, fïd BA.
èèèèèèèèèèèèèèèèèèèA) 6èèèB) 6√3èèèC) 12√3
@fig7203.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç B
9
èèèèèèèèèèèèèèèèèIf ┐╕ ß ▒┤ å AC = 4, fïd AB.
èèèèèèèèèèèèèèèè
èèèèèèèèèèèèèèèèèè A) 4èèèB) 8èèèC) 12
@fig7301.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç B
10èèèèèèèèèèèèèIf ┐╕ bisects ▒┤, PA = 8,
èèèèèèèèèèèèèèèèèèå ╬APC = 60°, fïd AB.è
èèèèèèèèèèèèèèèèè A) 12èèèB) 8√3èèèC) 6
@fig7301.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç B
11
èèèèèèèèèèèèèèèèèèIf ▒┤ ╧ ╖║, ên PQ = ___.
èèèèèèèèèèèèèèèè
èèèèèèèèèèèèèèèèè A) HPèèèB) ABèèèC) PB
@fig7302.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç A
12èèèèèèèèèèèè If ▒┤ is a diameter, AC = 18,
èèèèèèèèèèèèèèèèè å ╬PAE = 60°, fïd AB.
èèèèèèèèèèèèèèèèèèA) 16èèèB) 24èèèC) 36
@fig7303.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç C
13èèèèèèèèèè If m arc AB = 25° å m arc BC = 45°,
èèèèèèèèèèèèèèè fïd m arc AC.
èèèèèèèèèèèèèèèèè A) 70°èèèB) 15°èèèC) 25°
@fig7401.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç A
14èèèèèèèèèè
èèèèèèèèèèèèèèèèèè Arc AE is a semicircle.
èèèèèèèèèèèèèèèèèèA) Trueèèèè B) False
@fig7401.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç B
15èèèèèèèèèè
èèèèèèèèèèèèèèèèèèèèName two equal chords.
èèèèèèèèèèèèèèèèA) ┤╖, ║╜èè B) ▒┤, ▒╜èè C) ╖║, ▒╜
@fig7402.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç A
16èèèèèèèèèèè If ╬ACB å ╬AEB are ïscribed angles
èèèèèèèèèèèèèèèè that ïtercept ê same arc, arc AB,
èèèèèèèèèèèèèèèè can you show that ╬ACB ╧ ╬AEB?
èèèèèèèèèèèèèèèè (See Problem 1, Section 7.5)
èèèèèèèèèèèèèè
èèèèèèèèèèèèèèèèèèè A) Yesèèèè B) No
@fig7502.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç A
17èèèèèèè
èèèèèèèèèèèèèè Name ê arc ïtercepted by ╬CBA.èèè
èèèèèèèèèèèèèèèè
èèèèèèèèèèèèèèèè
èèèèèèèèèèèèèè A) arc AEBèè B) arc ABCèè C) arc CEAè
èèèèèèèèèèèèèèèè
@fig7504.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç C
18èèèèèèè
èèèèèèèèèèè Name ê ïscribed angle that ïtercepts arc BAE.èèè
èèèèèèèèèèèèèèèè
èèèèèèèèèèèèèèèè
èèèèèèèèèèèèèèèA) ╬BAEèèè B) ╬ABCèèè C) ╬BCEè
èèèèèèèèèèèèèèèè
@fig7504.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç C
19èèèèèèè
èèèèèèèèèèèèèèèè If m arc BC = 50°, fïd m╬BAC.èèè
èèèèèèèèèèèèèèèè
èèèèèèèèèèèèèèèè
èèèèèèèèèèèèèèèè A) 25°èèè B) 30°èèè C) 45°è
èèèèèèèèèèèèèèèè
@fig7504.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç A
20èèèèèèè
èèèèèèèèèèèèèèèè If ╖┤ is a diameter, fïd m╬BAC.èèè
èèèèèèèèèèèèèèèè
èèèèèèèèèèèèèèèè
èèèèèèèèèèèèèèèèèA) 90°èèè B) 180°èèè C) 60°è
èèèèèèèèèèèèèèèè
@fig7503.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç A
21èèèèèèè
èèèèèèèèèèèèèèèèèIf secants │╗ å ╝╕ ïterceptèèè
èèèèèèèèèèèèèèèèèarc BH å arc CE, fïd m╬1.èè
èèèèèèèèèèèèèèèè
èèèèèèèèèèèèèèèèèA) 48°èèè B) 46°èèè C) 52°è
èèèèèèèèèèèèèèèè
@fig7603.BMP,35,40,147,74
ü
èèèèèèèèè Not available ï ê Review Section
Ç A
22èèèèèèè
èèèèèèèèèèèèèèèè If │╗ is a tangent, ░╕èis a secant,èèè
èèèèèèèèèèèèèèèè m arc AB = 170°, å m arc BC = 40°,
èèèèèèèèèèèèèèèè fïd m╬1.è
èèèèèèèèèèèèèèèèèA) 55°èèè B) 60°èèè C) 65°èèèèèèèèèèèèèèèèè
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ü
èèèèèèèèè Not available ï ê Review Section
Ç C