In the given figure, TP and TQ are tangent. If ∠ PAQ=50° then find the value of ∠ PTQ.

Four coins whose diameter is 12.6 cm are placed in such a way that one coin touches the other coin, find the area between them.

If the perimeter of an equilateral triangle is 18 cm, then length of each median is

The in-radius of an equilateral triangle is of length 3 cm. Then the length of each of its medians is 

In the given figure, SX is tangent. SX = OX = OR. If QX=3 cm and PQ = 9 cm. then what is the value (in cm) of OS?

If ∆ABC is an isosceles triangle with ∠C = 90° and AC = 5 cm then AB is : 

The centroid of a ∆ABC is G. The area of ∆ABC is 60 cm². The area of ∆GBC is

D and E are midpoints of side AB and AC respectively of the ΔABC. A line drawn from A meets BC at H and DE at K. AK : KH = ?