The points (0, -1, 3), (2, 0, 4), and (1, 4, -6) form a triangle in space. Let\'
ID: 2085960 • Letter: T
Question
The points (0, -1, 3), (2, 0, 4), and (1, 4, -6) form a triangle in space. Let's use Matlab to identify the type of triangle this represents (i.e. equilateral, isosceles, scalene, right-angled, acute, obtuse, etc.). a. Create a position vector in Matlab for each point of the triangle. Calculate the three angles of the triangle by constructing displacement vectors from the position vectors and taking the dot product. You may use the command norm to calculate the necessary vector magnitudes. b. What kind of triangle is this?Explanation / Answer
Answer:
clc;
clear;
close;
x=input('the co-ordinates for the first point is')
y=input('the co-ordinates for the 2nd point is')
z=input('the co-ordinates for the 3rd point is')
A=dot(x,y)
B=dot(y,z)
C=dot(z,x)
a=angle(A,B)
b=angle(B,C)
c=angle(C,A)
d=norm(A)
e=norm(B)
f=norm(C)
if d=e
if e=f
display('equilatral triangle')
end if
if a+b<c
display('acute isosceles triangle')
if a+b>c
display('obtuse isosceles triangle')
end if
if a~=b
if b~=c
display('scalen triangle')
end if
end if
display('right angles triangle')
The programe is just all about the working n understanding of the triangles just refer to the basics if u have any doubts of the statements n feel free to comment if u have any other doubts.
Regards Spider.
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