en.wikipedia.org/wiki/Angle

In planar geometry, an angle is the figure formed by two rays, called the sides of the angle, .... are not right angles or a multiple of a right angle are called oblique angles. The names, intervals, and measured units are shown in a table below: ...

www.mathsisfun.com/angles.html

Names of Angles. As the Angle Increases, the Name Changes: types of angle ... is 90° exactly. Obtuse Angle, an angle that is greater than 90° but less than 180°.

www.khanacademy.org/math/basic-geo/basic-geo-angle/angle-intro/e/naming-angles

Name angles by their vertex, endpoints, or labels.

www.khanacademy.org/math/basic-geo/basic-geo-angle/angle-intro/v/naming-angles

Sal names angles based on their vertex and endpoints.

rechneronline.de/winkel/angle-names.php

List and definition of individual names for the different kinds of angles: zero, acute , right, obtuse, straight, reflex, perigon angle.

www.basic-mathematics.com/types-of-angles.html

To learn about the different types of angles. ... An angle whose measure is bigger than 90 degrees but less than 180 degrees. Thus, it is ... First Name (optional).

www.onlinemathlearning.com/types-of-angles.html

Types of Angles - right angle, acute angle, obtuse angle, straight angle, reflex angle, full angle, how to classify angles, examples and worksheets with step by ...

www.freemathhelp.com/angles.html

Learn the different types of angles, classified by their size and shape. Acute angles have a measure less than 90 degress, right angles have a measure of ...

www.homeschoolmath.net/teaching/g/angles.php

We also study how the size of the angle is ONLY determined by how much it has. ... 1. Write if each figure is a line, ray, line segment, or an angle, and name it.