The slant height and base diameter of a conical tomb are $25 m$ and $14 m$ respectively. Find the cost of white-washing its curved surface at the rate of $R s . 210$ per $100 m^{2}$ .

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Solution

Given
slant height=l=25m
diameter=d=14m
radius=r=d/2=14/2=7m
CSA of cone = pirl
= 22/7725
=550 square meters
cost of white washng 100m^2 =Rs210
cost of white washing 550 square meters= (550×210)/100
=Rs 1155

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The slant height and base diameter of a conical tomb are 25 m and 14 m respectively. Find the cost of white-washing its curved surface at the rate of Rs 210 per 100 m².

Q. The slant height and diameter of the base of a conical tomb are

25 m

and

14 m

respectively. Find the cost of white washing its CSA at the rate of

R s . 210

per

100 m^{2}

Q. Question 6
The slant height and the base diameter of the conical tomb are 25m and 14 m respectively. Find the cost of whitewashing its curved surface at the rate of

R s . 210 p e r 100 m^{2} . [A s s u m e π = \frac{22}{7}]

The slant height and base diameter of a conical tomb are $25 m$ and $14 m$ respectively. Find the cost of whitewashing its curved surface at the rate of $R s .12$ per $m^{2} .$

Q. Note Use

π = \frac{22}{7}

, unless stated otherwise.
The slant height and base diameter of a conical tomb are 25 m and 14 m respectively. Find the cost of whitewashing its curved surface at the rate of ₹ 12 per m².

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The slant height and base diameter of a conical tomb are 25 m and 14 m respectively. Find the cost of white-washing its curved surface at the rate of Rs. 210 per 100 m2.

Givenslant height=l=25mdiameter=d=14mradius=r=d/2=14/2=7mCSA of cone = pi*r*l= 22/7*7*25=550 square meterscost of white washng 100m^2 =Rs210cost of white washing 550 square meters= (550×210)/100=Rs 1155

The slant height and base diameter of a conical tomb are $25 m$ and $14 m$ respectively. Find the cost of white-washing its curved surface at the rate of $R s . 210$ per $100 m^{2}$ .

Given
slant height=l=25m
diameter=d=14m
radius=r=d/2=14/2=7m
CSA of cone = pirl
= 22/7725
=550 square meters
cost of white washng 100m^2 =Rs210
cost of white washing 550 square meters= (550×210)/100
=Rs 1155