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Byju's Answer
Standard IX
Mathematics
Rhombus
The number of...
Question
The number of lines of symmetry for a
50
∘
−
50
∘
−
80
∘
triangle is:
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Solution
The figure is shown in image .
The given triangle is isosceles triangle because
2
angle
(
∠
B
=
∠
C
=
50
o
)
are equal.
Now if we draw the perpendicular bisector of line
B
C
from point
A
, this line
A
D
is known as line of symmetry of the given triangle.
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