
value of X and Y from triangle - Mathematics Stack Exchange
Mar 7, 2016 · my son is in 6th grade and i am trying to help him solve this problem. but i want to understand so i can teach him. Write and solve equations to determine the value of x and y . …
Finding x,y,z of a triangle - Mathematics Stack Exchange
Aug 14, 2016 · My younger brother was asked to do this problem and was given the problem exactly as the problem was given with no additional information. Basically, we are trying to find …
Prove that $||x|-|y||\le |x-y|$ - Mathematics Stack Exchange
how about if we square both sides of reverse triangle inequality and end up with $|X||Y|\gt XY$? The same output as if we square triangle inequality.
Find area of a triangle given the equation of sides
Aug 16, 2012 · Let's check that. Here, we need to find the intersection of the lines $\color {darkblue} {x+y=0}$ and $\color {maroon} {y=x-1}$. I'll leave it to you to solve this system. It …
integration - Calculate double integral of function over triangle ...
I think you may be misreading the question, as the line "Region = triangle inside the lines x=0, y=1, y=2x." provides all the boundary information you need. If you draw the three lines: x=0 …
geometry - Determine third point of triangle when two points and …
# find coordinates for C (x_c, y_c) which should return two possible answers # geometry of two intersection circles from two vertices of triangle = two solutions
How to find the other vertices of an equilateral triangle given one ...
If you want to do it via coordinate geometry, the easiest way I can think of is to take a reference equilateral triangle with center at $ (0,0)$ and vertices at $ (\cos 2n\pi/3, \sin 2n\pi/3)$ and …
Fitting a rectangle inside a triangle - Mathematics Stack Exchange
Mar 25, 2025 · Now you have to make sure that the area of isosceles triangle is as small as possible to enclose the rectangle. Find the points A = $ (0, y_1)$ & C = $ (x_2, 0)$ of the …
How to calculate the area of a 3D triangle?
Apr 7, 2012 · I have coordinates of 3d triangle and I need to calculate its area. I know how to do it in 2D, but don't know how to calculate area in 3d. I have developed data as follows. …
How to find X,Y coordinate given an angle and distance from the …
Jun 12, 2021 · Lets say, the distance from origin is 2.8284271247462 and angle is 45 degrees from North (i.e. +ve y axis) in anticlockwise direction so this means that answer should be -2,2 …