Answer:
m<QPR = 94°
m<QPS is a straight angle
i.e. m<QPS=180°
Therefore, m<QPR +m<RPS=180°
=> 7x-4°+ 9x-40°=180°
=> 16x-44°=180°
=>16x=180°+44°
=> 16x=224°
=> x=224/16=14°
m<QPR=7x-4 =7(14)-4=94°
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