Find exact value of pi/12 using double angle formula

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. using the technique in the model above, find the missing segments in this 30°-60°-90° right triangle. ab = 8 bc = 4 cd =

What is the approximate total length of iron edging needed to create the square frame and the two diagonals?

Which graph represents the following piecewise defined function?