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 does the ladder make with the ground?
Round to the nearest WHOLE number.
Note: this is a trigonometry question

9 A 16ft ladder is leaning against the side of a house The ladder touches the ground 9 ft away from the house What angle does the ladder make with the ground Ro class=

Respuesta :

Answer:

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Step-by-step explanation:

DJkik

55.77°

EXPLANATION:

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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