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If, in a triangle , , then angle is equal…
MATHEMATICS · Single correct · CBSE · Mathematics · Triangles · Triangles
Problem
If, in a triangle
A
B
C
ABC
A
B
C
,
(
s
−
a
)
(
s
−
b
)
=
s
(
s
−
c
)
(s-a)(s-b)=s(s-c)
(
s
−
a
)
(
s
−
b
)
=
s
(
s
−
c
)
, then angle
C
C
C
is equal to (1)
90
∘
90^\circ
9
0
∘
(2)
45
∘
45^\circ
4
5
∘
(3)
30
∘
30^\circ
3
0
∘
(4)
60
∘
60^\circ
6
0
∘
Related theory
Properties of Triangles
Triangle Properties
General Triangle Trigonometry
Trigonometric Functions
Triangle inequalities
Triangles
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