To find the answer, subtract the present date from Margie's diary entry date, which is 17 May 2157. If the current date is 17 June 2013, the result will be 144 years and 11 months. Therefore, for this specific date, the solution to the question is as follows:
Margie's diary entry is 143 years and 11 months into the future from the current date.
In Fig. 9.26, A, B, C and D are four points on a circle. AC and BD intersect at a point E such that ∠ BEC = 130° and ∠ ECD = 20°. Find ∠ BAC.