Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
If
D
(
−
2
,
3
)
D(-2, 3)
D
(
−
2
,
3
)
,
E
(
4
,
−
3
)
E(4, -3)
E
(
4
,
−
3
)
and
F
(
4
,
5
)
F(4, 5)
F
(
4
,
5
)
are the mid-points of the sides
B
C
BC
B
C
,
C
A
CA
C
A
and
A
B
AB
A
B
of triangle
A
B
C
ABC
A
B
C
, then find
[
A
G
2
+
B
G
2
−
C
G
2
]
\sqrt{[AG^2 + BG^2 - CG^2]}
[
A
G
2
+
B
G
2
−
C
G
2
]
where
G
G
G
is the centroid of
Δ
A
B
C
\Delta ABC
Δ
A
B
C
.
Browse the problem library