3 years ago

What’s the answer for 12?

Mathematics

1 answer:

Lisa [10]3 years ago

6 0

Answer:

$- 3 \sqrt{4 \times 4 \times 3} \\ - 3 \times 2 \times 2 \sqrt{3 } \\ - 12 \sqrt{3}$

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A fire department's ladder is 110 feet long. A firefighter is trying to reach the top of a 100 foot building by leaning the ladd

Alekssandra [29.7K]

Answer:

sin-¹(10/11)

Step-by-step explanation:

The height of the building is 100 ft and the ladder is 110ft long .We can imagine this situation as a right angled ∆. For figure refer to the attachment .

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In ∆ ABC :-

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=> θ = sin -¹ ( 10/11) .

<h3>Hence the angle of elevation is sin -¹ ( 10/11). </h3>

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