Answer:
LR is 12
Step-by-step explanation:
LP is hypotenuse and PR is base so LR is perpendicular
formula to calculate perpendicular is
p^2=H^2 -b^2
p^2=15^2-9^2
p^2=225-81
p^2=144
p=12(root of 144 is 12)
it would be 24 cuz 15 + 9 = 24
