HELP !!

To find the measure of zA in triangle ABC, use the ____. To find the length of the side HI in triangle HIG, use the ____.

First blank:
1. Pythagorean theorem
2. Law of sines
3. Law of cosines

Second blank:
1.Pythagorean theorem
2. Law of sines
3. Law of cosines

HELP To find the measure of zA in triangle ABC use the To find the length of the side HI in triangle HIG use the First blank 1 Pythagorean theorem 2 Law of sine class=