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.
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.
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