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Subjects
Mathematics State Board
Class 9
Geometry
Quadrilateral and Construction of Circumcentre and Orthocentre
1.
Multiple choice question I
Exercise condition:
2
m.
1
. In the quadrilateral
ABCD
,
AB = BC
and
AD = DC
. Measure of
\angle BCD
is:
30^\circ
72^\circ
105^\circ
150^\circ
2
.
ABCD
is a square, diagonals
AC
and
BD
meet at
O
. The number of pairs of congruent triangles with vertex
O
are:
12
4
8
6
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