Bonjour,
Pythagore:
KM² = KP² + PM²
19² = 15,2² +PM²
19² - 15,2² = PM²
361 - 231,04 = 129,96
PM = √129,96 =>11,4m
PU² = MU² + PM²
PU² - MP² =MU²
25² - 11,4² =
625- 129,96 =495,04
MU = √495, 04 => 22,25m
