Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Triangle has
MATHEMATICS · Subjective · CBSE · Mathematics · Triangles · Triangles
Problem
Triangle
D
E
F
DEF
D
E
F
has
D
F
=
7
cm
DF = 7\,\text{cm}
D
F
=
7
cm
,
∠
D
=
55
∘
\angle D = 55^{\circ}
∠
D
=
5
5
∘
and
∠
F
=
50
∘
\angle F = 50^{\circ}
∠
F
=
5
0
∘
. Triangle
K
L
M
KLM
K
L
M
has
K
M
=
7
cm
KM = 7\,\text{cm}
K
M
=
7
cm
,
∠
K
=
55
∘
\angle K = 55^{\circ}
∠
K
=
5
5
∘
and
∠
M
=
50
∘
\angle M = 50^{\circ}
∠
M
=
5
0
∘
. (i) Are the two triangles congruent? (ii) Which side of
△
D
E
F
\triangle DEF
△
D
E
F
is equal to
L
M
LM
L
M
? Give justification in one sentence.
Related theory
Triangle Congruence
Triangle Congruence Criteria
Triangles
Browse the problem library