Register
!!¡¡Geometry. Cosines/Sines.Include explanation and clear answer.
182k views
2 votes
!!¡¡Geometry. Cosines/Sines.Include explanation and clear answer.

!!¡¡Geometry. Cosines/Sines.Include explanation and clear answer.-example-1
User Sunghee
by
4.9k points

1 Answer

7 votes

By the law of cosines,


16^2=8^2+17^2-2\cdot8\cdot17\cos C


\cos C=(97)/(272)


C=\arccos(97)/(272)\approx69.1^\circ

User Silfverstrom
by
4.9k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.7m questions

7.4m answers

Other Questions

What is the value of x? (-4) - x = 5
Can someone help me with 5??? ASAP?
1/7 + 3/14 equivalent fractions
185g in the ratio 2:3
(3x1,000,000)+(3x100,000)+(2x100) what is this number written in standard form?
Link Copied!