If the line penetrates the circle,that symbol indicates the 90-degree is away from you.

Name: If the line penetrates the circle,that symbol indicates the 90-degree is away from you.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

When a line penetrates a circle, the symbol to indicate the 90-degree angle is always away from the observer. This is because the angle is formed by the intersection of the line with the circle, so the symbol points towards the center of the circle, indicating that the angle is "behind" the observer.

If the Line Penetrates the Circle,that Symbol Indicates the 90-Degree