2025 AMC 10A Problem 3AMC 10 Step by Step
Name: Date: September 13, 2026
Triangles: Area & Pythagorean · difficulty 2 of 5 · about 3 min · position P1-10
How many isosceles triangles are there with positive area whose side lengths are all positive integers and whose longest side has length ?
- A)
- B)
- C)
- D)
- E)