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In , . The sides opposite these angles are and respectively. If , and the perimeter…
MATHEMATICS · Single correct · CBSE · Mathematics · Triangles · Triangles
Problem
In
△
A
B
C
\triangle ABC
△
A
B
C
,
∠
B
=
∠
C
\angle B = \angle C
∠
B
=
∠
C
. The sides opposite these angles are
A
C
AC
A
C
and
A
B
AB
A
B
respectively. If
A
C
=
2
x
−
3
cm
AC = 2x - 3\,\text{cm}
A
C
=
2
x
−
3
cm
,
A
B
=
x
+
5
cm
AB = x + 5\,\text{cm}
A
B
=
x
+
5
cm
and the perimeter of
△
A
B
C
\triangle ABC
△
A
B
C
is
29
cm
29\,\text{cm}
29
cm
, what is the value of
x
x
x
? (a)
9
9
9
(b)
8
8
8
(c)
7
7
7
(d)
6
6
6
Related theory
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Properties of Triangles
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