Homework 9 for MAT 123 Fa Solve Triangle ABC Round Yo C a

Homework #9 for MAT 123 Fa × Solve Triangle ABC. (Round Yo × C a https://wwwwebassign.net/web/Student/Assignment-Responses/last?depa 17506198 Bookmarks StarRez Portal D 194 . Official Website Welcome to Course 76.6.011 Solve triangle ABC. (Round the length to three decimal places and the angles to one decimal place.) 24 120 Need Help? 6.6.01 triangle

Solution

13. c²=a²+b²-2ab cos C

c²=11²+24²-2(11)(24)cos 120

c²=121+576-528cos 120

c²=961

c=31

using sine law

sinC/c=sin B/b

sin120/31=sin B/11

sin B=11sin 120/31

B=17.9degree

A=180-B-C=42.1degree