A 40 ft boom on a crane is attached to the crane platform at point D. A cable is attached to the end of the boom at point B and to a 13 ft A-frame at point A

anchored by the counterweight. If LBDA is 83°, find the length of the cable to the nearest tenth of a foot. Round intermediate steps to at least four decimal

places.

40 ft

13 ft

The length of the cable is approximately ft.

X

G