56 yards The ratio of the measure of the vertex angle to the base angle of an isosceles triangle is 8:5. Find the measure of the vertex angle.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter10: Measurement, Area, And Volume
Section10.1: Triangles
Problem 21E
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#10
10.
longest side.
128
(uris)
8×7
77-7128
56 yards
16
The ratio of the measure of the vertex angle
to the base angle of an isosceles triangle is
8:5. Find the measure of the vertex angle.
Transcribed Image Text:10. longest side. 128 (uris) 8×7 77-7128 56 yards 16 The ratio of the measure of the vertex angle to the base angle of an isosceles triangle is 8:5. Find the measure of the vertex angle.
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