The diagonals of a rhombus are 21 m and 32 m. what is the area of the rhombus?

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

The longer leg of a 30-60-90 trangle is 18

What is the missing value in the proportion 4/5 = x/30