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 -

Set



so that the volume element is

The integral is then


and so evaluates to 0.
Answer:
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Answer:
Step-by-step explanation:
x = 3
7=2
3-2=5
slope is 4/5