A base angle of an isosceles triangle is 50° and one leg is 40 cm. Find the base of the triangle.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter2: Parallel Lines
Section2.5: Convex Polygons
Problem 4E: In pentagon ABCDE with BDE, find the measure of interior angle D.
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A base angle of an isosceles triangle is 50° and one leg is 40 cm. Find the base of the triangle.

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