What angle measures 90 degrees?

Question:

What angle measures 90 degrees?

Measuring Angles

Angles in geometry are measured using units called degrees. There are many types of angles, which can be identified by their degree measurement. Using a protractor, a tool similar to a ruler, is the most common way to measure angles.

Answer and Explanation:

An angle that measures exactly 90 degrees is called a right angle.

These angles can be identified by the two rays which meet to form the right angle;...

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What is a Right Angle? - Definition & Formula

from High School Geometry: Homework Help Resource

Chapter 4 / Lesson 17
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