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thanks and same to u !! :*
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Hi suri003, if you have any doubt in maths, you can ask here.
And maths isn't a difficult subject.
Yeah, extended papers are tricky, but easy I guess.it tricky though .... i lll surely ask : ty
Thanks, I understood how to do itNote: There may be different methods to do this question.
Imagine that the circular pool is a cylinder.
In this question it is asked we should write in 'cm'.
So lets change the other units in to cm.
12Litres = 12000cm^3 (volumes are always in cubic units)
5millimetres=0.5cm
When 12000cm^3 of water(volume) is emptied to the pool, the water level rises by 0.5cm(height).
Formula for finding volume of a cylinder is
π x r^2 x h = Volume
We know the values of 'h' and 'V'. radius is what we need.
π x r^2 x 0.5 = 12000
r^2 = 12000/(π x 0.5)
r = square root of [12000/(π x 0.5)]
= 87.40387
=87 cm (correct to nearest cm)
Remember you should write the answer correct nearest 'cm' or you may lose marks. Because it is given in the question.
If you have any doubts you can ask me or you can ask ***amd***.
same here !!1!!snailey I too belong to India ... I have my igcse maths xam on 5th and 7th ..
Which part of india ?
Math Question Simple it is ?
Prashant of height 1.2m is going away from the lamp post at speed of 1.5m/s.
If the lamp post is 3.9 m above the ground then the length of his shadow after 3 seconds is ??????
Math Question Simple it is ?
Prashant of height 1.2m is going away from the lamp post at speed of 1.5m/s.
If the lamp post is 3.9 m above the ground then the length of his shadow after 3 seconds is ??????
Haha! My mistake ..mine is on 5th n 7th too XDsnailey I too belong to India ... I have my igcse maths xam on 5th and 7th ..
Cool XDtrinity international school !
Can someone help me with this easy yet confusing questn?Hi suri003, if you have any doubt in maths, you can ask here.
And maths isn't a difficult subject.
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