Note: Figure not drawn to scale.In the figure above, STVW is a square, SX and YZ intersect at point W, and UW is twice as long as UV. What is the value of b?
A.20
B.40
C.60
D.120
E.180
我的答案：
Note: Figure not drawn to scale.In the figure above, STVW is a square, SX and YZ intersect at point W, and UW is twice as long as UV. What is the value of b?
