Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Two triangles
△
A
B
C
\triangle ABC
△
A
B
C
and
△
D
E
F
\triangle DEF
△
D
E
F
are similar. The shortest side of
△
A
B
C
\triangle ABC
△
A
B
C
measures
6
cm
6\ \text{cm}
6
cm
and the corresponding side of
△
D
E
F
\triangle DEF
△
D
E
F
measures
9
cm
9\ \text{cm}
9
cm
. If the longest side of
△
A
B
C
\triangle ABC
△
A
B
C
is
10
cm
10\ \text{cm}
10
cm
, find the length of the longest side of
△
D
E
F
\triangle DEF
△
D
E
F
. a)
12
cm
12\,\text{cm}
12
cm
b)
22.5
cm
22.5\,\text{cm}
22.5
cm
c)
15
cm
15\,\text{cm}
15
cm
d)
13.33
cm
13.33\,\text{cm}
13.33
cm
Browse the problem library