What is the area of an equilateral triangle with side length of 9 in? 17.3 in² None of these O 42.4 in² 35.1 in²

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
Section8.3: Regular Polygons And Area
Problem 14E: Find the area of an equilateral triangle with apothem a = 3.2 cm and perimeter P=19.23 cm.
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What is the area of an equilateral triangle with side length of 9 in?
O 17.3 in2
O None of these
O 42.4 in2
O 35.1 in²
Transcribed Image Text:What is the area of an equilateral triangle with side length of 9 in? O 17.3 in2 O None of these O 42.4 in2 O 35.1 in²
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