A rectangle is placed around a semicircle as shown below. The width of the rectangle is 9 mm. Find the area of the shaded region. Use the value 3.14 for a, and do not round your answer. Be sure to include the correct unit in your answer. PLEASE HELP​

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

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

Find the ratios of the corresponding sides