3 years ago

Please help :D <3. Do not understand this one.

Mathematics

1 answer:

Shtirlitz [24]3 years ago

8 0

Sorry for my messy handwriting but this is the answer

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3 years ago

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Alexxandr [17]

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A rate that describes how much smaller or larger the scale drawing is than then real object

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3 years ago

Francesca is looking at an airplane. She measures the angle at which she is looking up and finds it to be 55 degrees. If the air

lions [1.4K]

<h2>Answer:</h2>

Option: B is the correct answer.

B. 36,623 feet

<h2>Step-by-step explanation:</h2>

The angle of elevation is: 55 degree

We model this problem by taking a right angled triangle such that the side opposite to the 55 degree is of length 30000 feet.

Now let us consider x denote the distance of the plane from Francesa.

i.e. x denote the hypotenuse of the right angled triangle.

Hence, in right angled triangle i.e. ΔABC we have:

$\sin 55=\dfrac{30000}{x}\\\\i.e.\\\\x=\dfrac{30000}{\sin 55}\\\\i.e.\\\\x=\dfrac{30000}{0.81915}\\\\\\i.e.\\\\\\x=36623.2376\ feet$

Round to the nearest feet we get: x=36,623 feet

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3 years ago

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Scilla [17]

Answer:

True

Step-by-step explanation:

√784/√4 = 28/2 = 14

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3 years ago

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