Question

If radius of hemispherical basin is 7cms find required metal sheet to manufacture50 such basins

Answer 1

Answer:

the metal sheet required for 50 hemispherical basins is 23079 m²

Step-by-step explanation:

the radius of the hemispherical basin = 7cm

using the formula

total surface area of the hemisphere= 3$\pi$r²

metal sheet required to manufacture 1 basin= 3*$\pi$*(7)²

using $\pi$= 3.14

putting the values

metal sheet required for 1 basin= 3*3.14*49 = 461.58 m²

now,

the metal sheet required for 50 such basins= 50*461.58 = 23079 m²

so,

the metal sheet required for 50 hemispherical basins is 23079 m²

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