Page 92 - Grade 10 C.Math

pbfx/0f 6
lrqdf b]vfOPsf] ;+o'St 7f]; j:t'sf] k'/f cfotg lgsfNg'xf];\ M

Curriculum Development Centre

2.75 ld= 2.5 ld=

0.5 ld=
;dfwfg

oxfF lk/fld8 cfsf/sf] :t'ksf] prfO (h ) = (2.75 - 2.5) ld6/
1
= 0.25 ld6/
:t'ksf] cfwf/ e'hf (a) = 0.5 ld=

if8\d'vfsf/ 7f]; j:t'sf] prfO (h ) = 2.5 ld=
2
if8\d'vfsf/ 7f]; j:t'sf] cfwf/sf] e'hf (a) = 0.5 ld=

'
]
{
'
]
\
]
]
]
'
+
;oSt 7f; j:tsf cfwf/ jufsf/ 5, h;sf tNnf efu if8dvf / dflyNnf efudf lk8fld8 5 .
7f]; j:t'sf] k'/f cfotg (V) = (a h + a h )
2
2
2
1
= a (h + h )
2
2 1
= (0.5 ld) [2.5 + x 0.25] ld=
2
= 3g ld=

= 3g ld=
= 3g ld=
= 0.6458 3g ld=

89 ul0ft, sIff – 10