43
The decimal expansion of the rational
nuomben
bwill terminate after
22x53
many places a decimal
how man
Answers
Answered by
1
Answer:
Internal diameter of spherical vessel =24 cm
External diameter of hemispherical vessel =25 cm
Internal radius =r=12 cm and External radius =R=12.5 cm
Total surface area to be painted
= External curved surface + Internal curved surface + Area of ring
=2πR
2
+2πr
2
+π(R
2
−r
2
)
=π(2R
2
+2r
2
+R
2
−r
2
)
=π(3R
2
+r
2
)
=
7
22
(3×12.5
2
+12
2
)
=
7
22
(468.75+144)
=
7
22
×612.75
=1925.78sq.cm
Rate of painting =5paise per sq.cm
Thus, cost of painting=Area×Rate=
100
1925.78×5
=Rs.96.29
Answered by
0
Answer:
the required decimal explanation will terminate after three places of decimal 1166
smallest composite number is 4 is equal to 2 2 into 2 equal to 2 square and smallest prime number 2 HCF (4,2) 2
Similar questions