How many cubic metres of earth must be dug out to sink a well which is 20m deep and has a diameter of 7 metres? if the earth so dug out is spread over a rectangular plot 28 m by 11 m, what is the height of the platform so formed?
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volume of the Earth dug out =2.8m^3
and the height of the platform =2.8m
and the height of the platform =2.8m
sagar924:
❌❌❎❎
so can u please tell me the right answers
I'll correct myself
answer is 770 m square and 2.5m
sorry 770m cube
and 2.5m
thanks
your welcome
Anjali ❤
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