Question

the area of a rectangular metal sheet is
$\frac{21}{20} sq.m$
and the length is
$\frac{7}{4} m.$
find its breath. find the perimeter of the rectangular metal sheet...


please answer I'm in exam hall​

Answer 1

Step-by-step explanation:

refer to the attachment

Answer 2

Answer:

A=2×(L×B+B×T+T×L)

∴A=2×(4.234×1.005+1.005×0.0201+0.0201×4.234)

∴A=2×(4.2552+0.0202+0.0851)

∴A=8.721m

2

∴A=8.721m

2

to correct significant digits

V=L×B×T

∴V=4.234×1.005×0.0201

∴V=0.0855m

3

to correct significant digits

HOPE THIS WILL HELP YOU

Step-by-step explanation:

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