​In the figure, if O is a centre of a circle, PQ is a chord and the tangent at P makes an angle of 50° with PQ, then ∠POQ is equal to :  

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How solve q 12 of ex 6.4

Sir 1 upon sinx ka maan sin inverse x Kyo nahi hota

Angle a and Angle b form a linear pair . If a-2b=30 , find a and b 

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P,Q,R,S are respectively the midpoints of sides AB,BC,CD and DA of paralleogram ABCD . Show that PQRS is a paralleogram and also show that area of paralleogram PQRS=1/2 of area of paralleogram ABCD

Suresh has a field in a triangle form whose side are 21 meter 29 meter and 30 meter he want to donate 1/4 area of his field suggest him how to cut his field also prove it what value are depicted

Construct a triangle ABC ,B=45°, AB-AC =3.5cm

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