AO
12.
4T
fT:
3sin
30°
+2tan
60°-5cos45°
Evaluate
:3sin'30°+2tan'60°-5cos
45°
3
r
the
product
of
the
zeroes
of
the
polynomial
axr
-óx--6
is
4,
find
the
value
ot
a .
te
the
relaionship
connecting
three
measures
of
central
tendency.
Hence
hnd
mode
when
mean
is
146
and
median
is
130.
130
3TUGT/OR
0-10
10-20
20
30
B0
-
40
40
50
10
15
Find
the
mode
of the
following
data.
Classes
Frequency
0-10
10-
20 20
30 30
4040
50D
15 8 1
10
10
TUG-H
/
SECTION-C
Y
HET
15
H 24 Y 3 I
Question
numbers
15
to
24
cairy
three
marks
each.
15.
T
3TFTa
3,
AABC
TT
ADBC
7
f7yt
7 U
ET
3TT
BC
TI
AE
AD,
BC
1 O R
Te,
TYi_r
f
arAABC)_
AC
ar
(ADBC)
DO
In
the
given
figure,
ABC
and
DBC
are
two
triangles
on
the
same
base
BC.
If
AD
ntersects
BC
at
O,
show
that
uaADL=
AO
DO
ar(ADBC)
Page
5
of
10
