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Mathematics
Mathematics
Problem
△
A
B
C
\triangle ABC
△
A
B
C
is right-angled at
C
C
C
and
△
D
E
F
\triangle DEF
△
D
E
F
is right-angled at
F
F
F
. If
∠
A
=
∠
D
=
35
∘
\angle A = \angle D = 35^{\circ}
∠
A
=
∠
D
=
3
5
∘
, show that the two triangles are similar.
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