Do Q12 fast please please
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(i) PQR=135° (given)
or,90°+x=135°
or, x=135°-90°
or, x=45°
(ii) PQR=135°
or,3x+x+15°=135°
or, 4x+15°=135°
or, 4x=135°-15°
or, 4x=120°
or, x=120°/4
or, x=30°
Hence, 3x=3 X 30°=90°
and x+15°=30+15°=45
(iii)POR+x=180° (Linear pair axiom)
or, 135°+x=180°
or, x=180°-135°
or, x=45°
or,90°+x=135°
or, x=135°-90°
or, x=45°
(ii) PQR=135°
or,3x+x+15°=135°
or, 4x+15°=135°
or, 4x=135°-15°
or, 4x=120°
or, x=120°/4
or, x=30°
Hence, 3x=3 X 30°=90°
and x+15°=30+15°=45
(iii)POR+x=180° (Linear pair axiom)
or, 135°+x=180°
or, x=180°-135°
or, x=45°
KundanKumar42:
plz mark it as brainliest answer
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