# 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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