1. Prove: AMQP = LI 42. In isosceles triangle BAT, AB = AT. C o1 i Also, BR = BT = AR. If AB = 12.3 and AR = 7.6, find the perimeter of: a) ΔΒΑT b) AARB c) ARBT %3D 43. In ABAT, BR = BT = AR, and mZRBT = 20°. Find: the a) mZT b) MLARB T Exercises 42, 43
1. Prove: AMQP = LI 42. In isosceles triangle BAT, AB = AT. C o1 i Also, BR = BT = AR. If AB = 12.3 and AR = 7.6, find the perimeter of: a) ΔΒΑT b) AARB c) ARBT %3D 43. In ABAT, BR = BT = AR, and mZRBT = 20°. Find: the a) mZT b) MLARB T Exercises 42, 43
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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I am having trouble doing #42.

Transcribed Image Text:BC 1.41
Suppose that AABC
and DY bisects LFDE. Are thesl
bisectors of congruent triangles congruell
WI
40. Given:
M is the midpollll
of YZ
Suppose that AABC ADEF, AX is the median
from A to BC, and DY is the median from D to EF.
Are these corresponding medians of congruent triangles
Thada od MX 1 WY
t od MT I WZ
Prove:
Exercises 35 36
MX = MT
Y
M
41.)Given:
Isosceles AMNP
di lwith vertex P
Isosceles AMNQ
with vertex Q
AMQP = ANQP
congruent?
Ctercises 37 and 38, complete each prgf asing the
zing below.
ow iw a P
A
Given
23 1
Prove:
Prove:
AB AC
42. In isosceles triangle BAT, AB = AT. C 01
Also, BR = BT = AR. If AB = 12.3
and AR = 7.6, find the perimeter of:
B/
Exercises 37, 38
a) ABAT
b) AARB
c) ARBT
PROOF
Statements
Reasons
43. In ABAT, BR = BT = AR,
and mZRBT = 20°. Find:
3 = L1
1. ?
2. If two lines intersect, the
a) mZT
b) MLARB
c) mLA
vertical Ls formed are =
3. Transitive Property of
T
Exercises 42, 43
Congruence
4. ?
AB = AC
44. In APMN, PM = PN, MB bisects
ZPMN, and NA bisects ZPNM.
If mZP =
36°, name all isosceles
triangles shown in the drawing.
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