Question

She
28. In the gn
90+ 24°
30°
о
19. Find the value of a so that points A,O and B become collinear.
20. Ray OE bisects ZAOB and ray OF is opposite to ray OE .Show that ZFOB – ZFOA
21. If from any point O on a line PQ, two lines OR and OS are drawn in the opposite sides
22. From any point 0, four lines AO, OB, OC and OD are drawn respectively such that
A
LONG ANSWER TYPE QUESTIONS
Type II. Problems based on vertically opposite angles.
PQ such that ZPOR = ZQOS, then prove that OR and OS are in a line.
79. In the
OE I
30. In th
opposite
of
ZAOB = ZCOD and ZBOC = ZDOA, prove that AOC and BOD are straight lines.
23. O is a point on line AB. OC and OD are perpendiculars drawn on AB in
directions. Prove that OC and OD are in a straight line.
24. Two lines AB and CD intersect each other at point O. If line OP bisects ZBOD, prove
that if OP is produced backwards then it bisects ZAOC.
If OP and OQ are respectively bisectors of ZBOD and ZAOC. Show that the rays Op
and OQ are in the same line.
25. (1) In the given figure, lines PQ and RS intersect at point O.
if ZPOR :ZROQ = 5:7, find all the analog
P
S​

Answer 1

Answer:

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