Q.1 |
If each interior angle of regular polygon is
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
, 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.
, then
is
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Q.7 |
In the given figure O is the centre of the circle
then
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
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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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