ENGLISH HINDI
Q.1
If each interior angle of regular polygon is 135° then find the number of sides



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Q.2
What will be the ratio of the sum of the interior angles and that of the exterior angles of an octagon?



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Q.3
If the sum of the interior angles of a polygon is  1080° , find the numbe of its sides



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Q.4
If the angles of pentagon are in the ratio 1:2:3:5:9, then what is the value of the least (smallest) angle?



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Q.5
What wil be the number of diagonals in a regular hexagon?



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Q.6
In the given figure O is the centre of the circle. OBC=25° , then BAC is

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Q.7
In the given figure O is the centre of the circle BAC=52° then OCD is

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Q.8
In the given figure PQ=12cm, BQ=8cm then the length of the chord is

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Q.9
AB is the diameter of the circle and O is its centre. CD and AB intersect in such a way that OE=EB and CE=6 cm, ED=2 cm. Find the radius of the circle .

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Q.10
In the given figure AD, AE and BC are tangents. Then :

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Q.11
In the given figure, the value of x is

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Q.12
If ABCD is a cyclic quadrilateral then value of x is

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Q.13
In the given figure the value of x is

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Q.14
In the given figure O is the centre of the circle then value of x is ?

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Q.15
What will be the value of x in the given figure?

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Q.16
In the adjoining figure the value of x is ?

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Q.17
In the adjoining figure find the value of QS

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Q.18
A secant drawn from an external point O, intersect the circle at A and B, such that OA = 4cm, OB = 9cm. Then what will be the length of the tangent drawn from this point on the circle?



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Q.19
Two equal circles with radius r intersect in such a way that they pass through the centre of each other. Find the length of the common chord.



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Q.20
In the adjoining figure O is the centre of the circle. If PA = 12cm, PC = 15cm and CD = 7cm, then find the length of AB

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