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In Figure, P Q R S is a cyclic quadrilat...

In Figure, `P Q R S` is a cyclic quadrilateral. Find the measure of each of its angles.

Text Solution

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`/_P+/_R=180^@`
`/_B+/_S=180^@`
`3x+x=180^@`
`4x=180^@`
`x=45^@`
`/_P=3x=135^@`
`/_R=x=45^@`
`y+5y=180^@`
...
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