Question

Two lines PQ and RS intersect at a point O.
If
POR=55°, find the measure of each of
the angles POS, QOS and QOR.​

Answer 1

Step-by-step explanation:

if angle por= 55°,

angle QOS = 55° because they are vertically opposite angles.

if we take angle PQR it's sum should be 180° as they lie on the same plane

so 180-55= 125°

angle QOR =. 125° ( proved above)

therefore angle POS = 125° as they are vertically opposite angles..

The rule is that vertically opposite angles are always equal.

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