Long long time ago, Greeks (not geeks) don't go around drawing triangles for nothing. They drew it so that they could use the knowledge for their daily life. So they didn't actually cared about the angles and everything. Until one day, the technology started to become more advance, human beings also became more curious. So they tried to measure the distance between the Sun, the Earth and the Moon. As well as the angles between them. Just in case you have no idea what the Sun is, look at the picture below.
The Sun
The Earth
The Moon
So how did they measure it? So they tried using light. This is how light years comes about. In case you have no idea what light year is, Light year is actually a unit used just like Km, cm and mm. According to the law of Physics, metre is defined by the International Bureau of Weight and Measures as the distance travalled by the light in absolute vacuum in 1/299,792,458 of a second. In lay man's term, a light year is how far the light travelled after 1 year. Back to our topic. So they started by shooting a ray of light towards the sun and waited. At the same time, the did it on the moon as well. So now they have the distance between the Sun and the Earth as well as the distance between the Moon and the Earth. How about the Moon? Those time didn't have space ship. They couldn't shoot a ray from the moon to the Sun. We all know that having 1 angle and 2 sides we can calculate the other 2 angles and the third side. However, they didn't have the knowledge on these area yet. So what to do? They abandoned that idea.
Years later, we finally had our first space ship that carried a monkey to outer space. Yeah! Finally, Neil Armstrong, the first man to have set foot on the moon and said some wise words while he's hopping here and there on the Moon. "That's one small step for man, a giant leap for the mankind." Neil Armstrong. Wait! He's not the one who shot the ray to the moon. I forgot the name already. Never mind. The important thing is human finally managed to shoot a ray from the Moon to the Sun. Finally we have all the three sides and of course now we can count the internal angles.
After using millions of formulae and billions of equation, we finally found out the internal angle of a triangle. That is what we know now as 180 degrees or half pi radian. Everyone was happy and the students are using it like mad now a days. However, like the chinese says, good view will not be there everytime, beautiful flowers don't blossom frequently. Or the Malaysia version. You think everyday Sunday ar? Finally they found out something was wrong. There were some minor mistakes in the previous calculation. That is, they forgot about Vector! When an object moves, there will be vertical vector and horizontal vector. When they shot the ray from the Moon to the Sun, they forgot about the Moon is moving constantly! The Moon is rotating about the Earth as well as the Sun and its own axis. So the distance is actually changed!
After finding out this big mistake. They now use the theory of vector and re-calculate the internal angle of a triangle. After making millions of corrections, billions of formulae and trillions of equations, they got a shocking result. For all those years, they are actually WRONG! the internal angles of a triangle is NOT 180 degrees. It is actually 179.9 degrees. Now how could they make this kind of mistake? In order to keep their pride and not to disturb the whole world, they decided to keep it a secret. They think 179.9 and 180 differed by 0.1 only. Not a lot. Should be ok. So now we are still using 180 degrees in stead of 179.9 degrees. To those Mathematicians. I am sorry for leaking out your "secret" So to all of you, Internal Angles of a Triangle is 179.9 degrees. Don't be fooled.
Last but not least, there's another important note.
To those who believed in this piece of crap, you NOOB!
To those who did not, give yourselves a clap and try to fool your friends with this. It's kinda fun seeing them amazed by the "truth" of 179.9 degrees. HAHAHAHA
Nights everyone.
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