Ive uploaded a triangle .. i need the length of a??
i can gt 8000 divide sin39 = a divide sin112
i just dont no how to get the length can someone please have look and help me do it
thanks
Ive uploaded a triangle .. i need the length of a??
i can gt 8000 divide sin39 = a divide sin112
i just dont no how to get the length can someone please have look and help me do it
thanks
Hey mate, I took a quick look at your triangle.
I know ther eis some formula for these thing. But if you're like me, you probably don't know it and don't wana learn it.
So I'll tell you how I had do it.
I would split the upper angle (in this case B) and make a line from it to the botom of the triangle. This way I would have 2 right angled triangle.
With right angled triangle everything should be easier! With sin/cos and tan you should be able to work it ou!
we need one more angle or length to find that. as it is, we have one side, and one angle. that only gives us two points of the triangle that we can definitely locate (the front right corner of the building, and the reference point).
"If you know any 3 of the sides or angles ...
... you can find the other 3
(Except for 3 angles, because you need at least
one side to find how big the triangle is.)"
With these info we could work it out, like we did with the first one, making two right angled triangle.
with just one angle and one lenght, you can't do nothing (Unless its a right angled triangle.)
How could you find out these value?
I wouldn't trust them. The only way to know them is if the plan is scaling and you took the measure with your instrument. Wich is probably not the way to solve this