FTCE General Knowledge Math Practice Test

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Study for the FTCE General Knowledge Math Test. Boost your confidence with engaging flashcards and multiple-choice questions, featuring hints and explanations. Prepare thoroughly to excel in your exam!

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What type of angle measures exactly 90 degrees?

Right angle
Acute angle
Obtuse angle
Straight angle

The correct answer is: Right angle

A right angle is defined as the angle that measures exactly 90 degrees. This specific measurement is crucial in various fields such as geometry, construction, and engineering, as it indicates a perpendicular relationship between intersecting lines or surfaces. In contrast, an acute angle measures less than 90 degrees, which means it is smaller than a right angle. An obtuse angle is characterized by measuring greater than 90 degrees but less than 180 degrees, indicating a more expansive opening. Lastly, a straight angle measures exactly 180 degrees, representing a straight line. Understanding these distinctions helps in identifying different types of angles and their properties within various mathematical contexts.