Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
In
△
A
B
C
\triangle ABC
△
A
B
C
, the vertices are
A
(
0
,
0
)
A(0,0)
A
(
0
,
0
)
,
B
(
8
,
0
)
B(8,0)
B
(
8
,
0
)
and
C
(
2
,
6
)
C(2,6)
C
(
2
,
6
)
. Points
D
D
D
and
E
E
E
are the midpoints of
A
B
AB
A
B
and
A
C
AC
A
C
, respectively. a. Find the coordinates of
D
D
D
and
E
E
E
. b. Calculate the length of
D
E
DE
D
E
(give your answer correct to one decimal place).
Browse the problem library