A conical tomb is made up of bricks, with each brick of lateral surface area 5 square meter.The height and radius of the tomb are measured to be 25 m and 7 m respectively. The approximate no. of bricks made used to construct the tomb are___(Take $π = \frac{22}{7}$ )

100

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110

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150

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160

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Solution

The correct option is B
110

Slant height l = 25

Radius r = 7

Curved Surface area of the tomb = $π$ rl = 550 $m^{2}$

So, No. of bricks required = $\frac{550}{5}$ = 110 bricks

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A conical tomb is made up of bricks, with each brick of lateral surface area 5 square meter.The height and radius of the tomb are measured to be 25 m and 7 m respectively. The approximate no. of bricks made used to construct the tomb are___(Take π=227)

The correct option is B 110 Slant height l = 25 Radius r = 7 Curved Surface area of the tomb = πrl = 550 m2 So, No. of bricks required = 5505 = 110 bricks

A conical tomb is made up of bricks, with each brick of lateral surface area 5 square meter.The height and radius of the tomb are measured to be 25 m and 7 m respectively. The approximate no. of bricks made used to construct the tomb are___(Take $π = \frac{22}{7}$ )

The correct option is B
110

Slant height l = 25

Radius r = 7

Curved Surface area of the tomb = $π$ rl = 550 $m^{2}$

So, No. of bricks required = $\frac{550}{5}$ = 110 bricks