/3. The vertex angle of an isosceles triangle is 48°. Find (a) an exterior angle at the base; (b) the angle between the bisectors of the base angles; (c) the angle between the altitudes on the legs; (d) the angle between the base and the altitude on one of the legs.

/3. The vertex angle of an isosceles triangle is 48°. Find (a) an exterior angle at the base; (b) the angle between the bisectors of the base angles; (c) the angle between the altitudes on the legs; (d) the angle between the base and the altitude on one of the legs.

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

Section2.4: The Angles Of A Triangle

Problem 23E: Consider any triangle and one exterior angle at each vertex. What is the sum of the measures of the...

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Question

/3. The vertex angle of an isosceles triangle
is 48°. Find
(a) an exterior angle at the base;
(b) the angle between the bisectors of the
base angles;
(c) the angle between the altitudes on the
legs;
(d) the angle between the base and the
altitude on one of the legs.

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