Answer the pic

Who else has a grandma like this?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

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. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle