18, 22, 12
b c a
a^2 + b^2 < c^2
1262 + 18^2 < 22^2
144 + 324 < 484
468 < 484
g. 1,73; 2,23; 1,41
pembahasan : segitiga lancip
1,73; 2,23; 1,41
b c a
a^2 + b^2 > c^2
1,42^2 + 1,73^2 > 2,23^2
1,9881 + 2,9929 > 4,9729