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Acute and obtuse triangles - Wikipedia
An obtuse triangle (or obtuse-angled triangle) is a triangle with one obtuse angle (greater than 90°) and two acute angles. Since a triangle's angles must sum to 180° in Euclidean geometry, no Euclidean triangle can have more than one obtuse angle.

Obtuse Triangle Calculator - Online Calculator - BYJUS
An obtuse triangle is a triangle in which one of the three interior angles is obtuse i.e. greater than 90°. Thus, the other two angles will be acute angles. Also, there different types of triangles defined based on the sides and angles such as right triangle, scalene triangle, isosceles triangle and so on. An interesting fact about any ...

What is Obtuse Triangle? - [Definition Facts & Example]
In an obtuse triangle, if one angle measures more than 90°, then the sum of the remaining two angles is less than 90°. Here, the triangle ABC is an obtuse triangle, as ∠A measures more than 90 degrees. Since ∠A is 120 degrees, the sum of ∠B and ∠C will be less than 90° degrees.

Obtuse Triangle Calculator | Calculate Area Of Obtuse Triangle ...
This calculator calculates the area of obtuse triangle, perimeter of obtuse triangle using height (hb), base (b), side a, side c values. Obtuse Triangle Calculation Height (h b )

Acute, Right, Obtuse Triangle Tester
Input 3 triangle side lengths (A, B and C), then click "ENTER". This calculator will determine whether those 3 sides will form an equilateral, isoceles, acute, right or obtuse triangle or no triangle at all. Without Using The Calculator When given 3 triangle sides, to determine if the triangle is acute, right or obtuse: 1) Square all 3 sides.

Triangle Types and Classifications: Isosceles, Equilateral, Obtuse ...
The Obtuse Triangle has an obtuse angle (an obtuse angle has more than 90°). In the picture on the left, the shaded angle is the obtuse angle that distinguishes this triangle. Since the total degrees in any triangle is 180°, an obtuse triangle can only have one angle that measures more than 90°.

Grade 5 Mathematics Vocabulary Word Wall Cards Table of Contents
Obtuse Triangle one angle greater than 90º . Virginia Department of Education 2018 Grade 5 Mathematics Vocabulary – Card 35 Equilateral Triangle 3 3 3 . Virginia Department of Education 2018 Grade 5 Mathematics Vocabulary – Card 36 Scalene Triangle 6 5 2 .

Triangle Maker – GeoGebra
A right triangle has 1 right angle. 6. Create an obtuse triangle. An obtuse triangle has 1 obtuse angle. Triangle Combos Can you create.... 7. An acute triangle that is also scalene? isosceles? equilateral? 8. A right triangle that is also scalene? isosceles? equilateral? 9. An obtuse triangle that is also scalene? isosceles? equilateral?

钝角三角形_百度百科
三角形按角的大小可以分为锐角三角形、直角三角形和钝角三角形，锐角和钝角三角形又称为斜三角形。顾名思义，有一个角是钝角的三角形就是钝角三角形（Obtuse triangle）（显然只可能有一个角是钝角）。钝角三角形有三条高，其中有两条在三角形外部。

Classify Triangles: StudyJams! Math | Scholastic.com
There are many different kinds of triangles. This StudyJams! activity will help students learn the ways that these triangles can be classified.