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ray sp bisects angle rst find angle rst if angle rst= 5/2y° and angle pst = (y+5)

Respuesta :

Kalahira
since we know angle RST = 5/2y and angle PST = y+5

so y+5 = 1/2 (5/2 y)



multiply both sides by 4 we get

4y + 20 = 5y



Hence y = 20

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