Easy

Law of Cosines: Problems with Solutions

Problem 1
Find b = ?


Problem 2
What is measure of $\alpha$?


Problem 3
In a triangle ABC, AC=3, BC=5, AB=6. Find [tex]\cos(\angle ACB)[/tex].
Problem 4
Given a triangle ABC with AC=12, BC=10 and [tex]\angle ACB = 60^\circ [/tex], find the value of AB2 = ?.
Problem 5
Given a triangle ABC with AC=17, BC=14 and [tex]\angle ACB = 60^\circ [/tex], find the value of AB2 = ?.
Problem 6
Given a triangle ABC with AC=22, BC=21 and [tex]\angle ACB = 60^\circ [/tex], find the value of AB2 = ?.
Problem 7
Given a triangle ABC with AC=8, BC=6 and [tex]\angle ACB = 60^\circ [/tex], find the value of AB2 = ?.
Easy
Submit a problem on this page.

Correct:
Wrong:
Unsolved problems:
Feedback   Contact email:
Follow us on   Twitter   Facebook

Copyright © 2005 - 2024.