Jawab ya kak...................!!!!!!!!!!

1)AC=√AB^2+BC^2
AC=√5^2+12^2
AC=√25+144
AC=√169
AC=13 Jadi AC=13

2)PQ=√PR^2-QR^2
PQ=√25^2-24^2
=√625-576
=√49
=7 Jadi PQ=7

3) AC=√AB^2+BC^2
AC=√8^2+15^2
=√64+225
=√289
=17. Jadi AC=17