If O is the midpoint of PQ and OQ≅OR, then ∠1≅∠2.

Use the figure below to prove the statement above

Attachment 20009

Some help please?

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- December 7th 2010, 07:10 AMtysonrssfinding mid points
If O is the midpoint of PQ and OQ≅OR, then ∠1≅∠2.

Use the figure below to prove the statement above

Attachment 20009

Some help please? - December 7th 2010, 08:09 AMemakarov
If O is the midpoint of PQ, then PO = OQ. Therefore, PO = OR. So, ∠1≅∠2 as angles in an isosceles triangle.