Math, asked by rekhamgpd17mz, 9 months ago

a piece of wire mesh of width 66 cm is rolled along the width to form a cylindrical tree protector of a certain height. iF 7986 cm area of wire mesh is used then what is the height of the tree protector

Answers

Answered by mdtauqueeransari
2

Step-by-step explanation:

width of wire mesh=66cm which is also the perimeter of cylindrical tree protector

2\pi \: r = 66 \\ 2 \times  \frac{22}{7}  \times r = 66 \\ r = 66 \times  \frac{7}{22}  \times  \frac{1}{2}  \\ r = 10.5cm

it is given that Area = 7986 cm^2

lateral \:  surface \:  area \:  of \:  cylinder = 2\pi \: rh \\ 7986 = 2 \times  \frac{22}{7}  \times 10.5 \times h \\ 7986 = 44 \times 1.5 \times h \\ h =  \frac{7986}{44 \times 1.5}  \\ h = 121

So height =121 cm

Answered by babysinghmfp
1

Step-by-step explanation:

hope it will help you. answer is correct.

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