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Set-II
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Q26 of 40 Page 1

The perimeter of a sector of a circle of radius 5.2 cm is 16.4cm. Find the area of the sector.

Perimeter of sector

We have to find





Multiplying both side by (r/2), we have




More from this chapter

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24

Find the mean of the following distribution:

OR


Find the mode of the following data:



25

Find the sum of first 20 terms of the following AP :

1,4,7,10,_____ .


27

A cone of base radius 4 cm is divided into two parts by drawing a plane through the mid-points of its height and parallel to its base. Compare the volume of the two parts.

28

In a triangle, if square of one side is equal to the sum of the squares of the other two sides, then prove that the angle opposite to the first side is a right angle.

Questions · 40
Set-II
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
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