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Brilliant_brown [7]
3 years ago
8

Given ABCD is a parallelogram Prove AB CD and BC DA. Assemble the proof by dragging tiles to the statements and reasons column

Mathematics
1 answer:
bezimeni [28]3 years ago
6 0

Answer:

Just did this problem! Hope it helps

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Find the angle of depression from the top of a lighthouse, 260 feet above water to a ship that's 270 feet offshore?
expeople1 [14]

Answer: OPTION C.

Step-by-step explanation:

Observe the triangle ABC attached.

Notice that the angle of depression is represented with \alpha.

Knowing that the top of a lighthouse is 260 feet above water and the ship is 270 feet offshore, you can find the value of  \alpha by using arctangent:

\alpha= arctan(\frac{opposite}{adjacent})

In this case you can identify that:

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Therefore, substuting values into  \alpha= arctan(\frac{opposite}{adjacent}), you get that the angle of depression is:

 \alpha= arctan(\frac{260}{270})\\\\\alpha=43.92\°

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Answer:

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Step-by-step explanation:


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