-3,-12,-48,-192 Is this sequence arithmetic yes or no ?
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Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.