Solve the problem on isosceles triangles — task. Mathematics CBSE, Class 7.

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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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