1.Find the acute angle between 3x - 2y + 7 = 0 and 2y + 4x - 3 = 0 to the nearest degree. 2. Find the acute angle between y = x + 3 and y = -3x + 5 to the nearest degree.

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 3E
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1.Find the acute angle between 3x - 2y + 7 = 0 and 2y + 4x - 3 = 0 to the nearest degree.
2. Find the acute angle between y = x + 3 and y = -3x + 5 to the nearest degree.

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