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CBSE Class 10 Answered

about pie
Asked by pragathi smart tutorials pragathi smart tutorials | 22 Feb, 2012, 10:29: AM
answered-by-expert Expert Answer
There is no such rule to decide this, sometimes pi get cancelled without putting the values. So in such case we avoid putting the value of pi, but if you put the value it will not affact your answer and you will not loose your marks for this.
Answered by | 22 Feb, 2012, 10:40: AM

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CBSE 10 - Maths
A blacksmith has a rectangular sheet of iron. He has to make a cylindrical vessel both circular ends are closed. When he minimizes the wastage of the sheet of iron, then what is the ratio of the wastage to the utilised area of sheet?
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Asked by jagdishdabang79 | 18 Mar, 2024, 08:40: PM
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CBSE 10 - Maths
A square with perimeter p cm has more area than a circle with circumference p cm. State true or false with explanation
Asked by Trisha Gupta | 07 Oct, 2021, 03:48: PM
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CBSE 10 - Maths
A horse and an ox are tied to a pet at opposite corners of a rectangular field of dimension 35 m x 20 m by ropes of length 5 m and 10 m respectively (use pi=3.14 ) The area of the field that the horse can graze is given by ------- sq.m The area of the field the ox can graze is a-------- sq.m. The area of the field left to be grazed is --------- sq.m. If the rope to which horse is tied would have been 8 m long, then the increase in the grazing area is given by _______ sq.m.
Asked by bhavikabhatia1125 | 18 Sep, 2021, 04:50: PM
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CBSE 10 - Maths
area of sector of a circle with radius r and angle measure theta is
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Asked by rupeshphalwanp | 08 Dec, 2020, 09:04: AM
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CBSE 10 - Maths
if area of circle numricle double its perimeter find the radius of circle 4units
Asked by sohamsuryawanshi7824 | 22 Sep, 2020, 06:29: AM
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CBSE 10 - Maths
Please solve this question ?
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Asked by Vidushi412 | 11 Aug, 2020, 10:20: PM
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CBSE 10 - Maths
on a circular table cover of radius 42cm , a design is formed by a girl leaving an equilateral triangle ABC in rhe middle,
Asked by akshay6098 | 09 Aug, 2020, 07:32: PM
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CBSE 10 - Maths
If a truck covers 2.2 km and each wheel makes 350 complete revolution.Find the radius of the wheel  
Asked by kibaisato00 | 04 Jul, 2020, 11:39: AM
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CBSE 10 - Maths
the forewheel of tractor makes 120 revolution more than the rear wheel in going 720m. if the diameter of the forewheel is doubled and the diameter of the rear wheel in increased by half times the present diameter then the forewheel makes 20 revolution more than the rear wheel in going the same distance find the circumference of each wheel
Asked by patil.gopi400 | 01 Jun, 2020, 10:18: PM
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CBSE 10 - Maths
Question no.13  
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Asked by nikhilkumar10405 | 29 Mar, 2020, 07:33: PM
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