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in the diagram PQR and T are points on the circumference of a circle PTS and QRS are straight lines.PR is a diameter , QSP=28° and RPS=50° calculate
a)PRT
b)QTS
c)QTR​

in the diagram PQR and T are points on the circumference of a circle PTS and QRS are straight linesPR is a diameter QSP28 and RPS50 calculateaPRTbQTScQTR class=

Respuesta :

Polymath03

Step-by-step explanation:

a)<PTR=90°(angles in a semicircle)

<RPT=50°

<PRT + <PTR + <RPT=180°(angles in a triangle)

<PRT=180-(90+50)

<PRT=40°

b)From ∆QTS

<TQS = <RTP =50°

<QTS=180-(50+28)

<QTS=102°

c)<QTR=180-(90+50)

<QTR=40°

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