Part I: Triangle Midsegments 1. If D. E. and F are midpoints of the sides of AABC, find the perimeter of AABC. 7 D E 16 12 C F B

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter8: Areas Of Polygons And Circles
Section8.1: Area And Initial Postulates
Problem 23E: A triangular corner of a store has been roped off to be used as an area for displaying Christmas...
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Part I: Triangle Midsegments
1. If D. E. and Fare midpoints of the sides
of AABC, find the perimeter of AABC.
7
D
3. Find m/PST.
(11x-3)*
(5r–9)
4x + 19
E
16
F
D
V
6x-7
E
Angle
12
F
B
R
M
2. Find MN.
Part II: Perpendicular Bisectors & Angle Bisectors
4. If EF is the perpendicular bisector
of CD, find x.
K
N
2x + 5
#
&r-18
14x-9
L
5. If JK KL, find JL.
M
8x + 3
K
1.
2.
3.
4.
5.
Transcribed Image Text:Part I: Triangle Midsegments 1. If D. E. and Fare midpoints of the sides of AABC, find the perimeter of AABC. 7 D 3. Find m/PST. (11x-3)* (5r–9) 4x + 19 E 16 F D V 6x-7 E Angle 12 F B R M 2. Find MN. Part II: Perpendicular Bisectors & Angle Bisectors 4. If EF is the perpendicular bisector of CD, find x. K N 2x + 5 # &r-18 14x-9 L 5. If JK KL, find JL. M 8x + 3 K 1. 2. 3. 4. 5.
6. Find QR.
3x + 22
P
S
10x-41
R
7. Find m/ABD.
B
(6x-7)
(9x-22)
C
D
6.
7.
Transcribed Image Text:6. Find QR. 3x + 22 P S 10x-41 R 7. Find m/ABD. B (6x-7) (9x-22) C D 6. 7.
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