6. PARALLELOGRAM
BASE OF PARALLELOGRAM IS
b
b UNITS
HEIGHT OF PARALLELOGRAM
UNITS
IS
THE PARALLELOGRAM CHANGE INTO RECTANGLE
THE BASE CHANGE INTO LENGTH OF THE RECTANGLE SO
AREA OF PARALLELOGRAM IS
AREA OF PARALLELOGRAM IS
AREA OF RECTANGLE
SQUARE UNITS
b
b
exit
8. b - BASE
THE TRIANGLE CHANGE INTO RECTANGLE
AREA OF TRIANGLE
AREA OF RECTANGLE
BASE (
AREA OF TRIANGLE IS
1
b) _h
2
1
_
b h
2
1
_
2 b h SQUARE UNITS
exit
9. TRAPEZIUM
b
a
AREA OF TRAPEZIUM
ABCD IS
(AREA OF
1
( _ AB
(
(
AREA OF TRAPEZIUM
ABCD IS
2
_
1
2
_
1
2
a
ah)
1 (a
_
2
ABD )
ED)
h)
(AREA OF
1
( __DC
(
2
__
1
2
b
BCD)
BF)
h)
1
( __ bh)
2
b) h SQUARE UNITS
exit
15. t£l¤Â‹ gç¡F« é£l¤Â‰F« ÏilnaÍŸs bjhl®ò
P
2r = d
P
▬=
d
π
P = R‰wsÎ ( PERIMETER)
D =é£l« (DIAMETER)
r =Mu« ( radius)
P = PERIMETER
D = DIAMETER
~
▬
22
▬
7
~
~ 3.14
▬
▬
π
16. t£l¤Â‹ R‰wsÎ
P = R‰wsÎ
P = R‰wsÎ ( PERIMETER)
D =é£l« (DIAMETER)
r =Mu« ( radius)
2r = d
2r
t£l¤Â‹ R‰wsÎ
t£l¤Â‹ é£l«
t£l¤Â‹ R‰wsÎ
t£l¤Â‹ R‰wsÎ
t£l¤Â‹ R‰wsÎ
t£l¤Â‹ R‰wsÎ
=π
= π × t£l¤Â‹ é£l«
=π×d
=π×
= 2πr rJu myFfŸ
P
▬=
d
π