Using the figure and the Pythagorean theorem, we can write two equations which both equal e2:e2 =b2- (w-x)2 and e2=a2-x2 Set them equal to each other and solve for a2 Triangle LKM with a red line drawn parallel to KM labeled Question 19 options: a squared equals b squared minus w squared plus 2 w x a squared equals b squared minus w squared minus 2 w x a squared equals b squared plus w squared plus 2 w x a squared equals b squared plus w squared minus 2 w x