Explore the unknown angles — task. Mathematics State Board, Class 9.

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Prob 15.png

In the cyclic quadrilateral,

$PR$ is the diameter and bisects the

$\angle P$ . If the value of

$a = 128^{\circ}$ , the find the value of

$v$ ,

$w$ ,

$x$ ,

$y$ and

$z$ .

Answer:

The value of

$v$ is

$^{\circ}$ .

The value of

$w$ is

$^{\circ}$ .

The value of

$x$ is

$^{\circ}$ .

The value of

$y$ is

$^{\circ}$ .

The value of

$z$ is

$^{\circ}$ .

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