Noel correctly adds the length of three sides of a rectangle and gets 88 cm her brother Ryan correctly adds the lengths of three sides of the same rectangle and gets 80cm. What is the number of cm in the perimeter of the rectangle. I was having this discussion with another teacher and we need a third opinion.
Tooth crowns. A tooth crown or dental crown is a tooth-shaped sleeve made of porcelain or metal or a combination of both that is placed over a tooth. The dentist will match it up to the shape and colour of your other teeth.
An all-metal gold dental crown. As their name implies, all-metal dental crowns are fabricated entirely out of metal. While the classic all-metal crown is a gold one, a number of other types of dental alloys can be used during the fabrication process. Some of these metals have a silver (white gold) coloration.