Math, asked by dasniharika071, 6 months ago

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

Answers

Answered by saiyedfazil
4

Given: slant hieght(l) = 25m

diameter= 14m

radius= 14/2=7

CSA = πrl

CSA = 22/7 ×7×25

CSA = 550 m

per sq m = 550/100= 55/10

cost = 210× 55/10

cost = 1155

Answered by Anonymous
5

Given :-

❄️Diameter = 14 m

❄️Radius = 7 m

❄️Height = 25 m

To find :-

• Curved surface area of the tomb &

Cost of white washing

According to the question,

Curved surface area of the tomb = \sf{ \pi rl}

\implies \sf{ \frac{22}{7} \times 7 \times 25}

\implies \sf \red{ 550 \: {m}^{2} }

.°. Cost of white washing at the rate of Rs 12

\implies \sf{550 \times 12}

\implies \sf\red{Rs\:6600}

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