7. An isosceles triangle has area of 140 ft. If the base is 18 ft, what is the length of each leg? Round your answer to the nearest tenth. A. 566 ft B. 16.7 ft C. 18 ft D. 23.8 ft

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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D. None of these
7. An isosceles triangle has area of 140 ft. If the base is 18 ft, what is the length of each leg?
Round your answer to the nearest tenth.
A 566 ft
B. 16.7 ft
С. 18 f
D. 23.8 ft
8. Find the area of an equilateral triangle with a side of 10cm.
ducation TM, Inc.
DELL
F2
F3
F4
F5
F6
F7
F8
F9
Transcribed Image Text:D. None of these 7. An isosceles triangle has area of 140 ft. If the base is 18 ft, what is the length of each leg? Round your answer to the nearest tenth. A 566 ft B. 16.7 ft С. 18 f D. 23.8 ft 8. Find the area of an equilateral triangle with a side of 10cm. ducation TM, Inc. DELL F2 F3 F4 F5 F6 F7 F8 F9
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