Discover Circle Theorem Help for Triangle PST: PSR Angle = 77 Degrees

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Chijioke
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Homework Statement
Find angle PSR, if PQRS is a circle and PQT and SRT are straight lines
Relevant Equations
sum of angles in a triangle = 180 degree
IMG_20230610_014211 (1).jpg

From triangle PST, angle PSR = 180-(81+22)
=77 degrees sum of angles in triangle.
Is my attempt correct?
 
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Chijioke said:
Homework Statement: Find angle PSR, if PQRS is a circle and PQT and SRT are straight lines
Relevant Equations: sum of angles in a triangle = 180 degree

View attachment 329703
From triangle PST, angle PSR = 180-(81+22)
=77 degrees sum of angles in triangle.
Is my attempt correct?
Looks good to me.
 
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