plz solve this problems
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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 ❤️
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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