Alien's Have landed on earth. They saw a distress beacon ,little do they know they landed in Egypt.
Why are they Green?
Oh thank the gods, the beacon worked." Can you help us to find out how tall we made this one so we can make two more?" 
I think the distress beacon is coming from here?
Tell us what you have for the most part!
Well we know the degree is 45 and we are standing 13 meter away
So what would the are of the triangle be? could we do it by breaking it down by 1/4 of the pyramid?   
Well at least we know the degree and we can use the measurement of how far we are standing from the pyramid
well we will use tangent to solvetan(45)13tan(45)=Height(h)h= 13 meters tall
13Meter
45Degree
Using heron's formula, we can calculate area of the triangle by square rooting the area by s=(13+13+18.385) and the find the difference from each side. so we take the square root of (22.1925-13)  (22.1925-13) (22.1925-18.385)=7140.2. and the square root of that is 84.5 meters
13 meters
Thanks for your help, now we can really start getting the pyramid's going!
Well no problem, if you ever need help, just send out the beacon and we'll rush over here.
I think we should help them with there task.
Hurry up my chilies almost done 
What the heck is a pyramid?
Why were they so white?
The End.
This chili gonna be good.
13 meters
45degree
18.385meters
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