Given points A(-1, 3, 4), B(3, -1, 1) and C(5, 1, 1): a. Verify that triangle AABC is a right-angled triangle. b. Determine the measure of one of the acute angles (in degrees) of triangle A ABC. Round your answer to 1 decimal place.

Elementary Geometry For College Students, 7e
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Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
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Chapter6: Circles
Section6.4: Some Constructions And Inequalities For The Circle
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Given points A(-1, 3, 4), B(3, -1, 1) and C(5, 1, 1):
a. Verify that triangle AABC is a right-angled triangle.
b. Determine the measure of one of the acute angles (in degrees) of triangle A
ABC. Round your answer to 1 decimal place.
Transcribed Image Text:Given points A(-1, 3, 4), B(3, -1, 1) and C(5, 1, 1): a. Verify that triangle AABC is a right-angled triangle. b. Determine the measure of one of the acute angles (in degrees) of triangle A ABC. Round your answer to 1 decimal place.
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