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Subjects
Mathematics CBSE
Class 7
Triangle and its properties
Special triangles
10.
Solve the problem on isosceles triangles
Exercise condition:
5
m.
In the following figure,
ABC
, calculate the exterior angle of
C
.
1
.
The exterior angle
C
is
i
°
.
In the following triangle
PQR
, the exterior angle of
R
is
m =
116
°
. Find the value of
x
and
y
.
2
.
The value of
y
is
°
.
3
.
The value of
x
is
°
.
1
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