Ab is a mirror pq is an incident ray and qr the reflected ray. angle pqr =112° .find pqa
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laws of reflection ∆i=∆r,112÷2=56=i=r.
therfore pqa is equal to (90-56)=34
therfore pqa is equal to (90-56)=34
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6
Angle PQA= 34°
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