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.
Related questions
Question
Transcribed Image Text:10. What is the radius of the circle circumscribing
a triangle where a = 30 cm, b = 18 cm, and
B = 30°?
A) 19 cm
B) 17 cm
C) 18 cm
D) 20 cm
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