A circle with centre O and radius 4.5 m has a tangent drawn at T as shown in the diagram. If OD = DC, then what is the length of the tangent segment TC to the nearest hundredth. - please stop deleting my question I've literally done nothing wrong, and it's getting annoying I really need help and I can't get any you keep DELETING IT.

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin