somebody hlp pls?????

Answer:
7
Step-by-step explanation:
l x l = √65 x √65 - 4 x 4
l x l = 65 - 16
l x l = 49
l = √49
l = 7
Hope that helps! :)
-Aphrodite
Answer:
7
Step-by-step explanation:
Side a = 8.06226
Side b = 7
Side c = 4
Angle ∠A = 90° = 1.5708 rad = π/2
Angle ∠B = 60.255° = 60°15'18" = 1.05165 rad
Angle ∠C = 29.745° = 29°44'42" = 0.51915 rad