Display Title
Definition--Angle Concepts--Acute Angle
Display Title
Acute Angle
Topic
Angles
Definition
An acute angle is an angle that measures less than 90 degrees.
Description
Acute angles are fundamental in geometry and are often found in various geometric shapes and real-world structures. Understanding acute angles is essential for solving problems involving triangles, particularly in determining the types of triangles based on their angles. For example, a triangle with all acute angles is known as an acute triangle. In real-world applications, acute angles are seen in the design of roofs, bridges, and other architectural elements where precise angle measurements are crucial for stability and aesthetics. In mathematics education, acute angles help students grasp the concept of angle measurement and classification, forming a basis for more complex geometric reasoning.
For a complete collection of terms related to Angles click on this link: Angles Collection.
Common Core Standards | CCSS.MATH.CONTENT.2.G.A.1, CCSS.MATH.CONTENT.4.MD.C.5, CCSS.MATH.CONTENT.4.G.A.1, CCSS.MATH.CONTENT.7.G.B.5 |
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Grade Range | 4 - 8 |
Curriculum Nodes |
Geometry • Angles and Planes • Definition of an Angle |
Copyright Year | 2013 |
Keywords | angle, definitions, glossary term |