Answer:
.3
Step-by-step explanation:
let x= P(f)
.65= .55+x-.2
P(F)=.3
Answer:
18
Step-by-step explanation:
54/3=18
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Answer:
B and D
Step-by-step explanation:
Answer:
The maximum safe rescue height is 104.6 feet above the height of the ground.
Step-by-step explanation:
Consider a triangle ABC where C is the point where the rescue ladder is standing and AB be the building and Ladder making an angle of 72° as shown.
We have to find the height of the building.
Let x be the height of building
Using Trigonometric ratio,





So, the maximum safe rescue height is 104.6 feet above the height of
the ground.