9. A 16-ft ladder is leaning against the side of a house. The ladder touches the ground 9 ft away from the house. What angle doe
s the ladder make with the ground?
Round to the nearest WHOLE number.
Note: this is a trigonometry question
2 answers:
Answer:
Check pdf
Step-by-step explanation:
55.77°
<h3>EXPLANATION:</h3>
In ◣ ABC, (consider the diagram)
cosΦ = b/h = 9/16
cosΦ = 9/16
Φ = 9/16 × cos-¹
Φ = 55.77
Hence, the angle between the ladder and ground is approximately 56°.
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