### Home > PC3 > Chapter 6 > Lesson 6.1.2 > Problem6-32

6-32.

In $ΔABC$, $m∠C = 60^\circ$, $a = 10$, and $b = 14$. Use the Law of Cosines to calculate $c$.

$c^2=10^2+14^2-2\left(10\right)\left(14\right)\cos\left(60^\circ\right)$