Answer:

8,3*0,25=2,10%(2d.p)
Step-by-step explanation:
Answer:
degree
Step-by-step explanation:
The angle between the bottom of the ladder and the ground is given by

Where
B = distance between wall of house and the foot of ladder
L = Length of the ladder
Substituting the given values we get -

Answer:
23 1/2 or 47/2
Step-by-step explanation:
it just is