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Phoenix [80]
3 years ago
11

WILL MARK

Mathematics
1 answer:
Alex777 [14]3 years ago
5 0

Answer:

  about 3.492

Step-by-step explanation:

The distance between points in polar coordinates can be found using the Law of Cosines. For vector magnitudes a and b, and angular difference C, the distance between them (c) can be found from ...

  c^2 = a^2 +b^2 -2ab·cos(C)

  = 7^2 +5^2 -2(7)(5)cos((217/180π -(-23/36)π)

  = 74 -70cos(332°) ≈ 12.1937

  c = √12.1937 ≈ 3.492

The distance between the given points is about 3.492 units.

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ou live in the building on the left in the drawing, and a friend lives in the other building. the two of you are having a discus
Alenkinab [10]

Answer:

1.3

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Step-by-step explanation:

Given:

friend's claim: height of his building is more than 1.50 times the height of yours

line of sight to the top edge of the other building makes an angle of 21° above the horizontal

line of sight to the base of the other building makes an angle of 52° below the horizontal

Solution:

Let A be the height of your building is A

Let B+A his building is B higher than yours.

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tan 52 = A/x

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1+ 3.33 / 3.33

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Since 1.3 is not equal to 1.5

Hence the friend's claim is wrong.

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