Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Show that the line segments joining the points
(
4
,
7
,
8
)
(4, 7, 8)
(
4
,
7
,
8
)
,
(
−
1
,
−
2
,
1
)
(-1, -2, 1)
(
−
1
,
−
2
,
1
)
and
(
2
,
3
,
4
)
(2, 3, 4)
(
2
,
3
,
4
)
,
(
1
,
2
,
5
)
(1, 2, 5)
(
1
,
2
,
5
)
intersect. Verify whether the four points concyclic.
Browse the problem library