Question

Brainlist to whoever solves this

Answer 1

Answer:

$\sqrt{ {3}^{2} + {4}^{2} } = 5$

Answer 2

using pythagorean theorem a^2+ b^2 =c^2. 3^2 +4^2=c^2 (length of CB). 9+16= 25. so square root 25 is 5 and 5 is your answer