Question

12.
Draw figures for the following statement.
"If the two arms of one angle are respectively perpendicular to the two arms of another
angle then the two angles are either equal or supplementary".
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Answer 1

Answer:

(i) angle are supplementary -

    In figure (i) AO perpendicular to PQ, OB perpendicular to QR.  

(ii) angle are equal - 

       In figure (ii) AO perpendicular to PQ, OB perpendicular to QR . Angles are equal.