Tolong jawab beserta caranya ya, plisss

Tolong jawab beserta caranya ya, plisss

Jawab:

a. 3

b. $1sqrt{3}$

Penjelasan dengan langkah-langkah:

$a^{2} + b^{2} =c^{2} \a^{2} + 4^{2} =5^{2} \a^{2} = 25-16\a^{2} =9\a=3$

$a^{2} + b^{2} =c^{2} \a^{2} + 6^{2} =12^{2} \a^{2} = 144-36\a^{2} =108\a=6sqrt{3}\\6sqrt{3}-5=1sqrt{3}$