10. The perimeter of an isosceles trapezoid is equal to 140m, if the length of the non- parallel side is 20m, calculate the length of the average base. b) 50 c) 60 d) 70 a) 40 55 e)

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
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10. The perimeter of an isosceles trapezoid is
equal to 140m, if the length of the non-
parallel side is 20m, calculate the length of
the average base.
b) 50 c) 60
d) 70
a) 40
55
11. In a trapezoid ABCD, BC // AD, the
diagonals determine three
segments of equal measure on the
median. Find "AD", if BC = 6
a) 10
14
b) 11 c) 12
d) 15 e)
Transcribed Image Text:10. The perimeter of an isosceles trapezoid is equal to 140m, if the length of the non- parallel side is 20m, calculate the length of the average base. b) 50 c) 60 d) 70 a) 40 55 11. In a trapezoid ABCD, BC // AD, the diagonals determine three segments of equal measure on the median. Find "AD", if BC = 6 a) 10 14 b) 11 c) 12 d) 15 e)
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