mencari toerama pythagoras

a. x^2= √15^2+12^2
=√225+144
=√369
x=19,20

b. x^2=√5^2+13^2
=√25+169
=√194
x=14,92

d. a^2=√10,4^2-9,6^2
=√108,16-92,16
=√16
a=4

e.x^2=√8^2-6^2
=√64-36
=√28
x=5,29