How much is a 10k gold birth stone ring worth?

How many yards is 2400 square feet? What is space figure with two bases and one curved surface? How many square feet in 167 of a acre? How did a parallelogram get its name? Square feet in a circle? What do the angles on a quadrilateral add up to and how do you know? What is the area of a square with a length of 12 yd? What type of figure is rotational symmetry? What shape has 4 sides and 1 line of symmetry? Why do gyres flow in giant circular patterns instead of straight lines? How many square feet are in 226 yards? What is the radius of a circle with a circumference of 42 meters? What is the surface area of a circle measuring 70mm across? What shape has zero vertices and zero sides? What is difference between circle and ring? What has greater volume a cone or frustum? What is a sideways triangle called? Does a cone have a curved and a plane face? What is a flat surface on a three dimensional figure called? How many sides does a rectangular prisam have?