1.

en figure.lines PO and RS intersect at pointO. If △-53°, find all ober anges2

Answer»

angle 3 = angle 1 = 53° ( vertically opposite angle)

So,

angle 1 + angle 4 = 180°

angle 4 = 180° - 53° = 127°

angle 2 = 127°

( vertically opposite angle)



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