Question

A conical tent is 10 m high and the radius of its base is 24 m. Find

1 ) Slant height of the tent.

2) Cost of the canvas required to make the tent , if the cost of 1 m ^ 2 canvas is Rs 70 .​

Answer 1

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☃ ƛƝƧƜЄƦ ☃

$\small \red{{Base \: radius \: = 24 m , \: height \: = 10 m .}} \\ \\\small \blue{{( i)\: slant \: height = \sqrt{(24)^{2} + (10)^{2} \: m = \sqrt{576 + 100} m }}} \\ \\ \small \pink{{ = \sqrt{676 \:} \: m = 26 \: m }} \\ \\ \small \orange{{ \:(ii) \: total \: canvas \: required = \pi \: r \: l = \frac{22}{7} \times 24 \times 26 \: m^{2} }} \\ \\ \small \green{{ \: hence \: .}} \\ \\ \small \red{{ \: cost \: = \:Rs \: (70 \times \frac{22}{7} \times 24 \times 26) = Rs \: 137280 }}$

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