What does IGE mean on a ring?

How is a square a pentagon and a hexagon alike? Write a vb program to calculate the area of an triangle? What is the sum of an interior angle of a 18 -side polygon? How many pairs of parallel sides does a regular hexagon have? How many edges dose a triangle have? How do you divide a circle into 12 equal parts without a protractor or compass? How many square meters is 12 feet 9 inches by 17 feet 4 inches? Show you a picture of a non square rectangle? How do you calculate the missing value of the width if the length is 10m and perimeter is 36m? What is the difference between a rectangular pyramid and a rectangular prism? What is a volume in a rectagular prism? Is a pentagon never a parallelogram? How do you find volume of 30 sugar cubes each one of a side is 3 cm? How many faces edges and vertices does a heptahedron have? How may PTS equal a karat in a diamond? In what jobs do you use perimeter or area? What shape has the most sides and is not an Octagon? What is the diameter of a circle if the radius is 5.9cm? Is it true that If two spheres have the same center but different radii they are called concentric spheres.? How many 16x16 pavers cover 390 square feet?