MEDAL!!!
In parallelogram ABCD above, if sides AB and AD have lengths as shown, that is the length of the altitude to side AD?
(Figure will be drawn below)

- calculusxy

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- calculusxy

|dw:1442968342905:dw|

- calculusxy

@phi

- calculusxy

@peachpi @zepdrix

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## More answers

- anonymous

what do you mean by "that is the length of the altitude to side AD" in the first place?

- calculusxy

i don't know what that exactly means... or else i wouldn't have asked this question :\

- anonymous

dont you mean like how high above ground level is the parallelogram?

- anonymous

or something like that?

- calculusxy

maybe ( or are you referencing the height)?

- anonymous

altitude is a reference to how high above or how low below ground/sea level

- anonymous

great, i just figured it out and i hate it

- anonymous

are you in trig rn?

- anonymous

@calculusxy
i think i figured it out if you werent paying attention

- calculusxy

no i don't know trig very well, but i can work with sine, cosine, tangent (only the basics)

- anonymous

thats what this is

- anonymous

line BC is going to be ground level for this

- calculusxy

i don't quite understand what you mean

- anonymous

if i remember right your going to use cosine to find the distance from line BC to line AD, giving you your answer (its either cosine or sine, i dont remember them that well)

- anonymous

|dw:1442980427600:dw|

- calculusxy

@surjithayer Can you plz explain this to me more?

- anonymous

thx show off

- anonymous

basically multiply the sine of 60 degrees by 12 to get your answer

- anonymous

h is altitude
|dw:1442980656562:dw|

- anonymous

\[\sin 60=\frac{ \sqrt{3} }{ 2 }\]

- anonymous

i just said everything he put up there in a nice sentence without any complication

- calculusxy

and how do i evaluate that @surjithayer

- anonymous

\[h=12 \sin 60=12*\frac{ \sqrt{3} }{ 2 }=6\sqrt{3}\]

- anonymous

i like how i always start it then someone else comes in and takes all the fricken credit that i actually did before they did -_-

- calculusxy

oh okay ! but is there any simper way of doing it?

- anonymous

and the perfect example is the one above

- Jhannybean

That's about the easiest way to do it with the given information.

- anonymous

thx for saying i had no idea what im doing and that a person that does the exact same thing makes complete sense, can someone explain that one to me >:(

- anonymous

i seriously think that letting someone finish there answer and explanation should be on the CoC

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