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Standard IX
Mathematics
Area of an Equilateral Triangle
The perimeter...
Question
The perimeter of an isosceles triangle is 50 cm. the base is 8 cm longer than one of its equal sides. find the sides of the triangle
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Solution
Dear student
Let
the
equal
sides
be
x
cm
.
Base
side
b
of
triangle
=
x
+
8
.
.
.
1
Given
:
Perimeter
of
isosceles
triangle
=
50
cm
b
+
x
+
x
=
50
b
+
2
x
=
50
x
+
8
+
2
x
=
50
using
1
3
x
=
42
x
=
14
So
equal
sides
are
14
cm
each
and
base
side
=
14
+
8
=
22
cm
Regards
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