15) Given: AABC-AADE, DE = 3, AC 14, EC BC X=位+12229、6 = 14+ Find: BC 42=14メーメ2 x2-14x+42=Do メ= ~t9)土96-442 14-X. メ 14 16) Determine the type of triangle represented if the lengths of its sides are: a) a = 2/3, b = 3, and e = /21 (2 374 3?-NZj? RI1ght A 2 Acute 4 Astuse A %3D b) a = 4, b= 3, and c = V17 (42)+ B?)>V) (4り5りく(ア) c) a = 4, b = 5, and c = 7 17) In right AABC with right ZB, AB = 11 and AC = 13. Find MN if M and N are the midpoints of AC and AB, respectively. 18) Given: AABC with mZA = 45°, mZB = 60°, and BC = 18 %3D Find: AB and AC 19) Given: oABDF CD CB Prove: DE DF TATEMENTS REASONS B. E. 3/x

Elementary Geometry For College Students, 7e
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ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
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15) Given: AABC-AADE, DE = 3, AC 14, EC BC
X=位+12229、6
= 14+
Find: BC
42=14メーメ2
x2-14x+42=Do
メ= ~t9)土96-442
14-X.
メ
14
16) Determine the type of triangle represented if the lengths of its sides are:
a) a = 2/3, b = 3, and e = /21 (2 374 3?-NZj? RI1ght A
2 Acute 4
Astuse A
%3D
b) a = 4, b= 3, and c = V17 (42)+ B?)>V)
(4り5りく(ア)
c) a = 4, b = 5, and c = 7
17) In right AABC with right ZB, AB = 11 and AC = 13. Find MN if M and N are the
midpoints of AC and AB, respectively.
18) Given: AABC with mZA = 45°, mZB = 60°, and BC = 18
%3D
Find: AB and AC
19) Given: oABDF
CD CB
Prove:
DE DF
TATEMENTS
REASONS
B.
E.
3/x
Transcribed Image Text:15) Given: AABC-AADE, DE = 3, AC 14, EC BC X=位+12229、6 = 14+ Find: BC 42=14メーメ2 x2-14x+42=Do メ= ~t9)土96-442 14-X. メ 14 16) Determine the type of triangle represented if the lengths of its sides are: a) a = 2/3, b = 3, and e = /21 (2 374 3?-NZj? RI1ght A 2 Acute 4 Astuse A %3D b) a = 4, b= 3, and c = V17 (42)+ B?)>V) (4り5りく(ア) c) a = 4, b = 5, and c = 7 17) In right AABC with right ZB, AB = 11 and AC = 13. Find MN if M and N are the midpoints of AC and AB, respectively. 18) Given: AABC with mZA = 45°, mZB = 60°, and BC = 18 %3D Find: AB and AC 19) Given: oABDF CD CB Prove: DE DF TATEMENTS REASONS B. E. 3/x
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