For the following questions answer them individually
P is a point outside a circle and is 13 cm away from its centre. A secant drawn from the point P intersects the circle at points A and B in such a way that PA = 9 cm and AB = 7 cm. The radius of the circle is :
If $$\alpha$$ is a positive acute angle and $$2sin\alpha + 15cos^{2}\alpha = 7$$, then the value of cota is:2
The perimeters of two similar triangles ΔABC andCare 36cm and 24 cm respectively. If PQ = 10 cm, then AB is:
The number of mobile simcards in 4 states are given in multiple bar diagrams. Study the diagram and answer the questions.
Of all the simcards sold in all the four states, the number of simcards sold in Gujarat is (approx)Â