What does 10K-DG on a ring mean?

What do the angles in a parallelogram add up to? In quadrilateral PQRS measures (7x - 2)o . Angle PSR measures (5x plus 14 )o. What are the measure of angles PQR and PSR m 54o and m 54o m 84o and m 96o m 90o and m 90o m 96o and m 84o? C programme to find the area of square? What is a cascade termination? If one of the diagonal of a rhombus is equal to one of its sides find the measures of all the angles of the rhombus? Polygon with no congruent sides? Which length is same as 2 m? Perfect square numbers up to 1000? What is 60x40 meters in acres? What does qgi on gold chain mean? How many degree does the hand of a clock move in 37 minutes? What shape is rhombus? What is circumference of circle with a radius of 4.5 yd? Stonewall is to mason as what is to what? 1990 Linear Feet equals how many acres? What are 3 pairs of congruent rectangles called? What shape does vertical cross section of a sphere create? How many sides does a bed have? What is a sixth of a circle called? What is another name for the centroid of a triangular solid with uniform thickness and density?