00:01
All right, so i've gone ahead and drawn our question of what information we have given our question.
00:07
I've gone ahead and drawing the drawing so we can answer our question.
00:10
And so basically what we're told is we have two buildings that are 21 meters apart.
00:14
That's going to be this line.
00:15
Here i have marked 21 meters.
00:16
And we have a person ties a tight rope that is 21 .5 meters long from the taller building to the shorter building.
00:22
So this is going to be this 21 .5 tight rope right here as the hypotenuse of our triangle.
00:28
And we're told that the shorter building is 10 meters high, and our inclination from our shorter building to our higher building based on the tightrope is 12 degrees, and we need to figure out the height of the taller building based on all this information.
00:42
And so in order to figure out the height, what we need to do is figure out this etz right here in this triangle that our tightrope made with the distance in between our buildings, and then add this etz to our 10 meters, and that'll give us our height.
00:54
So first, we need to figure out this et.
00:55
In order to do this, we're going to have to figure out a trigonomic function where the only information that we don't have in a trigonomic function is the opposite side.
01:05
So we have our angle and we have an hypotenuse or an adjacent.
01:10
So there's actually two trigonomic functions that we could use in order to solve this, in order to solve what ets is...