Step-by-step explanation:
Given : A right angled triangle EFD
Hypotenuse = ED=19 units
Base = DF =12 units
Perpendicular = EF
Solution:
To find length of EF we will use Pythagorean Theorem:
Thus the length of EF is
its 69.420
step-by-step explanation:
lockers 1, 4, 9, 16, 25, 40, and 49 are open
i ran through it by the other answer is wrong