The circle with center B is a dilation of the circle with center A using scale factor 2. Select all true statements. A)The circumference of the circle centered at B is greater than the circumference of the circle centered at A by a factor of 2. B)The ratio L/R is greater than the ratio ?/r by a factor of 2. C)The value of β is greater than the value of α by a factor of 2. D)The angle marked α measures 4π/6 radians. E)The angle marked β measures 12/8π radians.
The circle with center B is a dilation of the circle with center A using scale factor 2. Select all true statements. A)The circumference of the circle centered at B is greater than the circumference of the circle centered at A by a factor of 2. B)The ratio L/R is greater than the ratio ?/r by a factor of 2. C)The value of β is greater than the value of α by a factor of 2. D)The angle marked α measures 4π/6 radians. E)The angle marked β measures 12/8π radians.
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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A)The circumference of the circle centered at B is greater than the circumference of the circle centered at A by a factor of 2.
B)The ratio L/R is greater than the ratio ?/r by a factor of 2.
C)The value of β is greater than the value of α by a factor of 2.
D)The angle marked α measures 4π/6 radians.
E)The angle marked β measures 12/8π radians.
Transcribed Image Text:L= 8T
l = 4T
a
Ar= 6
B R= 12
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