Maths Olympiad Prep

Track / Stage 4 / 225 of 340 #965 of 2444

Problem 965

AMC 12 late, AIME early
Geometry Difficulty 4.8 Prove it United States competition problems · United States

A triangle has sides of length 888888, 925925, and x>0x > 0. Find the value of xx that minimizes the area of the circle circumscribed about the triangle.

This one wants a proof. Work it on paper, then read the official solution and mark yourself. Be honest about it: the record is only any use to you if it is.

Next problem →

Official solution

Solution: 259 .

Source: MathNet, licensed CC-BY-4.0. Statement reproduced verbatim; metadata (topic, difficulty, ordering) added by this project.