pl solve this.
ignore the pencil marks
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In triangle rtb angle tbr=90°
Angle tro=60°
So y=180-(90+60)
=30°
Let the angles bts=90-y
Since angle in a semicircle is 90
The angle bts=90-30=60
The angle rts=90
Angle x=180-(90+60)
=30°
Angle tro=60°
So y=180-(90+60)
=30°
Let the angles bts=90-y
Since angle in a semicircle is 90
The angle bts=90-30=60
The angle rts=90
Angle x=180-(90+60)
=30°
nayani:
mark as brainliest please
but why?
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