bantuin dong pke cara teorema pitagoras dri a smpe c pliss

yg a
q=√20^2-16^2
=√400-256
=√144
=12

yg b
q=√10^2-6^2
=√100-36
=√64
=8

yg c
q=√9^2-7^2
=√81-49
=√32

cara dan jawaban ada di foto yah