The difference between the interior and the exterior angles of a regular polygon is 150^o. Find the number of sides in the polygon.

The three vertices of a parallelogram taken in order are (0, 1), (2, 3) and (4, 3) respectively, then the coordinates of the fourth vertex is – 

D, E, F are the mid - points of the sides BC, CA and AB respectively of a ΔABC. Then the ratio of the areas of DEF and ΔABC is D, E, F.

In the given figure ABCD is a Parallelogram then the find out of the value of x is?

In the given Figure ∠PQA = 20° and ∠APQ = 120° then the find out the ∠ PAQ=?

In the given figure AB, BC and CA is a tangent of a circle if BC=6.3 cm and MC=2.7 cm then the Value of BL is                                                                

In a given circle, the chord PQ is of length 18 cm. AB is the perpendicular bisector of PQ at M. If MB=3. Find the length of AB?

When a diagonal of a square is 24 cm then find out of its perimeter.