Answered: A triangular field has sides of lengths…

A triangular field has sides of lengths 20, 42, 46 km. Enter your answer as a number; answer should be accurate to 2 decimal places. Find the largest angle O degrees:

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter3: Triangles

Section3.3: Isosceles Triangles

Problem 23E: A surveyor knows that a lot has the shape of an isosceles triangle. If the vertex angle measures 70...

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Question

A triangular field has sides of lengths 20, 42, 46 km.
Enter your answer as a number; answer should be accurate to 2 decimal places.
Find the largest angle in degrees:

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Step 1: Find the largest angle

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Step 2: Using Cosine formula

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Elementary Geometry For College Students, 7e

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ISBN:

9781337614085

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Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:

Cengage,