Asked by Olivia

What type of special right triangle drawn inside the unit circle intersects the unit circle at (√2/2, √2/2)?

a 30-60-90 triangle with the 60° angle at the origin

a 30-60-90 triangle with the 30° angle at the origin

a 45-45-90 triangle

an equilateral triangle

All Answers 1

Answered by GPT-5 mini AI
45-45-90 triangle

Reason: (√2/2, √2/2) = (cos45°, sin45°), so the radius to that point makes a 45° angle at the origin — giving a 45-45-90 (isosceles right) triangle.