In Fig. 6.37, if Q T|P R ,/T Q R=40^@ a ...

In Fig. 6.37, if `Q T_|_P R ,/_T Q R=40^@ a n d/_S P R=30^@`, find x and y..

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Consider right △QTR , Where,` ∠T=90 ^ o` ` [QT⊥PR]`
Sum of all the angles of a triangle is` 180 ^ o `
Hence, `∠RQT+∠QTS+∠TRQ=180 ^ ...

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