Question

answer me fast please​

Answer 1

Answer:

use pithagaren thriplet

Step-by-step explanation:

let points be a,b,c

ab=$bc^{2} +ca^{2}$

ab=$15^{2}+12^{2}$

ab=225+144

ab=369

or use trignometric formula

sin∅=opp/hyp

hope this is helpful