Question

I GIVE BRAINLIEST FOR EXPLANATION AND CORRECT ANSWER EXTRA POINTS 1

Answer 1

Answer:

864 squared

Step-by-step explanation:

Answer 2

Answer:

This is a right angle triangle so

${hyp}^{2} = {opp}^{2} + {adj}^{2}$

${42}^{2} = a {}^{2} + 30 {}^{2} \\ 1764 = a {}^{2} + 900 \\ {a }^{2} = 1764 - 900 \\ a { }^{2} = 864 \\ a = \sqrt{864 } \\ a = 29.39$