11,000+
Interactive Demonstrations Powered by Notebook Technology »
TOPICS
LATEST
ABOUT
AUTHORING AREA
PARTICIPATE
Your browser does not support JavaScript or it may be disabled!
Triangles: Acute, Right, and Obtuse
Drag the orange vertex to reshape the triangle.
A triangle is:
acute
if all of its angles are less than 90°;
right
if one of its angles is 90°;
obtuse
if one of its angles is greater than 90°.
Contributed by:
Jay Warendorff
SNAPSHOTS
RELATED LINKS
Acute Triangle
(
Wolfram
MathWorld
)
Obtuse Triangle
(
Wolfram
MathWorld
)
Right Triangle
(
Wolfram
MathWorld
)
Triangle
(
Wolfram
MathWorld
)
PERMANENT CITATION
"
Triangles: Acute, Right, and Obtuse
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/TrianglesAcuteRightAndObtuse/
Contributed by:
Jay Warendorff
Share:
Embed Interactive Demonstration
New!
Just copy and paste this snippet of JavaScript code into your website or blog to put the live Demonstration on your site.
More details »
Download Demonstration as CDF »
Download Author Code »
(preview »)
Files require
Wolfram
CDF Player
or
Mathematica
.
Related Demonstrations
More by Author
Dividing a Right Triangle by the Altitude to the Hypotenuse
Jay Warendorff
Triangles: Scalene, Isosceles, and Equilateral
Jay Warendorff
The Area of a Triangle as Half a Rectangle
Jay Warendorff
Side Lengths Opposite Unequal Angles
Jay Warendorff
Division of the Opposite Side by an Angle Bisector
Jay Warendorff
The Ratio Theorem
Jay Warendorff
Angle Bisector Theorem
Jay Warendorff
Euclid's Proof of the Pythagorean Theorem
Robert Root
The Interior Angles of a Triangle Sum to Pi
John Custy
How the Altitude Divides the Hypotenuse
Jay Warendorff
Related Topics
Euclid's Elements
Plane Geometry
Triangles
High School Geometry
High School Mathematics
Middle School Mathematics
Browse all topics
Related Curriculum Standards
US Common Core State Standards, Mathematics
4.G.A.1
4.G.A.2