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
Related questions
Question
![Determine the width of the river.
x ft.
A. 15 feet
B. 45 feet
C. 80 feet
D. 180 feet
90 ft.
135 ft.
120 ft
7 a 5.5 foot shadow. If Ellie is 4 feet 10 inches tall, how tall is the tree? Round to the nearest
foot.
A tree outside Ellie's building casts a 125 foot shadow. At the same time of day, Ellie casts
A. 91 feet
B 93 feet
C10 feet
D. 142 feet
29
125
250
es
4 ft.
10 in
5.5 ft.
125 t-
Consider the following figure and proof. (Fill in each blank)
Given: RE = 2AR and RT = 2GR
R
Prove: ΔGAR ~ΔTER
A
Statement
Reason
1.
RE = ZAR and RT-2GR
1. Given
2.
ZGRA S LTRE
2. Vertical Angles
3. RE
RT
AR GR
4. ΔGAR-ΔTER
3. Proportionality of Sides
4. SAS
MathNation.com
RI-FIT](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6cb38716-dc5d-48db-ac53-f415d3de98bc%2Fed1e02e5-497e-4dc7-bb45-8b32389de500%2F4cs2cbj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Determine the width of the river.
x ft.
A. 15 feet
B. 45 feet
C. 80 feet
D. 180 feet
90 ft.
135 ft.
120 ft
7 a 5.5 foot shadow. If Ellie is 4 feet 10 inches tall, how tall is the tree? Round to the nearest
foot.
A tree outside Ellie's building casts a 125 foot shadow. At the same time of day, Ellie casts
A. 91 feet
B 93 feet
C10 feet
D. 142 feet
29
125
250
es
4 ft.
10 in
5.5 ft.
125 t-
Consider the following figure and proof. (Fill in each blank)
Given: RE = 2AR and RT = 2GR
R
Prove: ΔGAR ~ΔTER
A
Statement
Reason
1.
RE = ZAR and RT-2GR
1. Given
2.
ZGRA S LTRE
2. Vertical Angles
3. RE
RT
AR GR
4. ΔGAR-ΔTER
3. Proportionality of Sides
4. SAS
MathNation.com
RI-FIT
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