Odpowiedź:
A)a^2=9^2+12^2
a^2=81+144
a^2=225
a=15
B)b^2=5^2+12^2
b^2=25+144
b^2=169
b=13
C)c^2=5^2+6^2
c^2=25+36
c^2=61
c=7,8102496759
D)d^2=10^2-6^2
d^2=100-36=64
d=8
E)e^2=5^2-(pierwiastek z)11^2
e^2=25-11
e^2=16
e=4
F)f^2=(p z)10^2-(p z)6^2
f^2=10-6
f^2=4
f=2
