11. What is the radius of the circle inscribed a triangle where a = 30 cm, b = 18 cm, and B= 30°? A) 6.89 cm or 3.87 cm B) 6.42 cm or 3.76 cm C) 6.21 cm or 3.56 cm D) 6.65 cm or 3.25 cm

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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11. What is the radius of the circle inscribed a
triangle where a = 30 cm, b = 18 cm, and
B= 30°?
A) 6.89 cm or 3.87 cm
B) 6.42 cm or 3.76 cm
C) 6.21 cm or 3.56 cm
D) 6.65 cm or 3.25 cm
Transcribed Image Text:11. What is the radius of the circle inscribed a triangle where a = 30 cm, b = 18 cm, and B= 30°? A) 6.89 cm or 3.87 cm B) 6.42 cm or 3.76 cm C) 6.21 cm or 3.56 cm D) 6.65 cm or 3.25 cm
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