Math, asked by dipikasharma684, 1 year ago

plz solve this problems

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Answered by Saifßàã
0
A Class room , l = 7m , b=6.5m , h=4m


The area of classroom=

2(lb+lh+bh)-lb

2(7×6.5+7×4+6.5×4)-7×6.5

2(45.5+28+26)-45.5
2×99.5-45.5

=153.5 m^2
=>>
one door is 3×1.5 = 4.5m
three window is 1×1 = 1 ×3 = 3m

total area of windows and door is

= 4.5+3=7.5

so the Washing area is = 153.5-7.5 = 146m^2

Now.

1m^2 = 7.25 rs
so
146 m^2 = 7.25×146 = 1058.5rupeesAns...


hope it's help U my friend ❤️



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