Which graph represents the function f (x) = 5 - 5x^2
1 answer:
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Answer:
11.33 feet
Step-by-step explanation:
The triangle for the given scenario is drawn below.
From the triangle ΔABC, AB is the length of the ladder, B is the foot of the ladder, AC is the wall, BC is the distance of the foot from the wall, and angle B is the angle of elevation of the ladder with ground.
Let the length of the ladder,
As per question, BC = 6.5 ft, °
Using cosine ratio of the angle B, we get
Therefore, the length of the ladder is 11.33 ft.
