GED Math Practice Test

Question: 1 / 400

How many degrees is a right angle?

45 degrees

60 degrees

90 degrees

A right angle measures 90 degrees. This measurement is fundamental in geometry and is defined as the angle formed when two lines intersect perpendicularly. The concept of a right angle is critical in various applications, ranging from architecture to carpentry, and serves as a reference point for other angles.

The answer correctly identifies this standard measurement of a right angle, differentiating it clearly from other common angles, such as those measuring 45 degrees, 60 degrees, or 120 degrees, which have different applications and characteristics within geometric principles.

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120 degrees

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