Question 1186009
the product of the angles is 4590.
the possible ages are:
13, 14, 15, 16, 17, 18, 19


i tried 14 * 15 * 16 = 3360 - too small
i tried 15 * 16 * 17 = 4080 - still too small
i tried 16 * 17 * 18 = 4896 - too large
i tried 15 * 17 * 18 = 4590 - got it !!!!!


another possible way.


15^3 = 3375 - too small
16^3 = 4096 - too small
17^3 = 4913 - too large


the numbers can't all be 17 or greater.
the numbers can't all be 16 or less.


15 * 16 * 17 = 4080 - too small
16 * 17 * 18 = 4896 - too large
15 * 17 * 18 = 4590 - right on.


it's a process of narrowing down the possible values.


the method used above is just one of many possible methods.