Can someone check my 5 geometry questions? :) Will fan and medal!

- Unofficialllyy

Can someone check my 5 geometry questions? :) Will fan and medal!

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- Unofficialllyy

1. Find the length of the base of the following pyramid, given the height of the pyramid is 211 meters and the angle of elevation of the base of the pyramid is 62°. Round to the nearest whole number.

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- anonymous

1/2bh

- Unofficialllyy

But the base isn't given.

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## More answers

- Unofficialllyy

I'm pretty sure I have to use either sine, cosine, or tangent.

- anonymous

do you know the formula of volume of a pyramid

- anonymous

oh ok

- anonymous

we have to find the adjacent

- anonymous

we know the opposite

- anonymous

so

- anonymous

|dw:1433696245983:dw|

- Unofficialllyy

I dont get it

- Unofficialllyy

I keep getting 112.19

- anonymous

do you know the width

- anonymous

base width

- anonymous

and the volume

- Unofficialllyy

No

- anonymous

then find that first

- Unofficialllyy

How?

- anonymous

the base width you found was half of it

- anonymous

112.2*2

- anonymous

244.4 is the base width

- anonymous

look at the picture and see

- Unofficialllyy

I'm really confused lol

- Unofficialllyy

Wait I think I got it. I got 224 feet

- Unofficialllyy

I did the other 4 myself, could you check them though?

- anonymous

sure

- Unofficialllyy

A bird (B) is spotted flying 6,000 feet from a tower (T)). An observer (O) spots the top of the tower (T) at a distance of 9,000 feet. What is the angle of depression from the bird (B) to the observer (O)?
I got 56.31 degrees

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- Unofficialllyy

An observer (O) spots a plane flying at a 35° angle to his horizontal line of sight. If the plane is flying at an altitude of 17,000 ft., what is the distance (x) from the plane (P) to the observer (O)?
I got 29,639 feet

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- Unofficialllyy

An observer (O) spots a bird flying at a 42° angle from a line drawn horizontal to its nest. If the distance from the observer (O) to the bird (B) is 17,000 ft., how far is the bird (B) from its nest (N)? Round to the nearest whole number.
I got 12,633 feet

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- Unofficialllyy

An observer (O) spots a plane (P) taking off from a local airport and flying at a 29° angle horizontal to her line of sight and located directly above a tower (T). The observer also notices a bird (B) circling directly above her. If the distance from the plane (P) to the tower (T) is 6,000 ft., how far is the bird (B) from the plane (P)? Round to the nearest whole number.
I got: 10,824 feet.

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- Unofficialllyy

Thank you in advance for checking my work :)

- Unofficialllyy

Well I just submitted and I got a 100 lol

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