Asked by vishal18 | 16th Aug, 2009, 10:22: AM

Expert Answer:

angle sum property  states that sum of the thre angles of a triangle is 180.

if two line AB and CD intersect at say O, then the angles

AOC, BOD  are vert opp angles


AOD,BOC are vertically opp angles.

for the other part of the question pl send a seperate mail with whatever definitions you want to ask (in etc..)

Answered by  | 16th Aug, 2009, 10:34: AM

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