Part A: In complete sentences, explain what information must be known about an oblique triangle in order to use the law of cosines to find unknown side lengths and/or angle measures. For Part B and Part C, use ABC below. A 20 m b 120° B Note: The figure is not drawn to scale. 23 m с Part B: Solve the triangle. Show all work and round to the nearest tenth. Part C: In complete sentences, explain how the law of sines could have been used to solve the triangle.

Part A: In complete sentences, explain what information must be known about an oblique triangle in order to use the law of cosines to find unknown side lengths and/or angle measures. For Part B and Part C, use ABC below. A 20 m b 120° B Note: The figure is not drawn to scale. 23 m с Part B: Solve the triangle. Show all work and round to the nearest tenth. Part C: In complete sentences, explain how the law of sines could have been used to solve 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.

Chapter8: Areas Of Polygons And Circles

Section8.CT: Test

Problem 1CT: Complete each statement. a Given that the length and the width of a rectangle are measured in...

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