Tolong bantu y gaes buat hari senin besok

1. AC = √ab2-bc2
= √5^2-3^2=√25-9
=√16
=4cm

2.PQ = √pr2-rq2
=√13^2-5^2
=√169-25
=√144
=12 cm

3.x=√20^2-12^2
=√400-144
=√256
=16 cm .

:))