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bija089 [108]
2 years ago
15

Can someone help me in this question?

Mathematics
2 answers:
igomit [66]2 years ago
3 0

Answer:

3347000 cm is 33.47 km to cm

3347000/64=

401.92 is the circumference

since it is pi * d

do 3347000/401.92

8327.52786624 round to

8327 full revolutions

sveticcg [70]2 years ago
3 0

Answer:

3347000 cm is 33.47 km to cm

3347000/64=

401.92 is the circumference

since it is pi * d

do 3347000/401.92

8327.52786624 round to

8327 full revolutions

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Wendy is standing 60 feet away from a tree. Her eyes are 5 feet above the ground. She sees a bird hovering above a tree. The ang
Gennadij [26K]

The bird is 17 feet above the tree.

<u>Explanation:</u>

We need to think of this in terms of right triangles.  If Wendy is 60 feet from a tree, the base of the right triangle is 60 feet.  The height of the tree is the height of the right triangle.  The angle of elevation is the one from the ground at her feet to the top of the tree and then to the bird.  Let's start with the top of the tree first.

She's 60 feet away, we have the angle of elevation as 25 degrees, and we are looking for the height of the tree.  In regards to the angle, the base of 60 is adjacent, and the height of the tree is opposite.  The tangent ratio is height / base.

Let x be the height of the tree.

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tan (25) = \frac{x}{60}

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x is approximately 28 feet

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<u>For bird</u>

Let y be the height of the bird in the air

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Since, Wendy's eyes are 5 feet above the ground, the height of the tree becomes

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50 - 33 = 17 feet

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3 0
3 years ago
Please help will give medal!!!!
shepuryov [24]
If you are given with all the tree sides of the triangle, you may solve for all the angles through the Law of Cosines,
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where angle C is the angle opposite the side c. You may use the same equation to get the values of the remaining angle. Additionally, if you already have one known angle, you can solve for the rest of the angles by Law of Sines,
                                   a / sin A = b / sin B = c / sin C
7 0
3 years ago
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