A Popular Geometry Question, you should learn this trick!

[@flarklooney]

I like the new way the geometric figure looks on the whiteboard along with the preprinted numbers! 👍

[@AlexeyEvpalov]

Из верхнего треугольника по т.Пифагора (d-2×3)^2+(d-2×6)^2=d^2, d^2-36d+180=0, d=6 отпадает. Ответ: d=30. Спасибо.

[@monroeclewis1973]

This problem illustrates that limiting the number of variables, always attempting to express multiple relationships in terms of that variable (in this case, R), often leads to the solution.

[@atheistfromaustria]

Excellent math channel! Of course I'm subscribed!!

[@mathwindow]

Thank u ❣️

[@LogicQuest]

Thank You Sir.

[@programmieraufgaben8391]

nice solution

[@andreiinthedesktopworld1178]

why do you sound like pin