C000Samsung Quad CameraShot with my Galaxy A21sClassify each triangle by its angles and by its sides.4.5.6.09,40°110°305070°79Glencoe California Mathematics,Study Guide and Intervention

Answered: C00 Samsung Quad Camera Shot with my…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

C000
Samsung Quad Camera
Shot with my Galaxy A21s
Classify each triangle by its angles and by its sides.
4.
5.
6.
09,
40°
110°
30
50
70°
79
Glencoe California Mathematics,
Study Guide and Intervention

Expert Solution

Step 1

The plane figure bounded by the union of three lines, which join three non-collinear points, is called a triangle. The three non-collinear points are called the vertices of the triangle and the line segments joining the three non-collinear points are called the sides of the triangle.

The triangle formed by extending one side of a triangle with another side is called an exterior angle of the triangle. A triangle has 6 exterior angles and 3 interior angles.

With regard to their sides, triangles are of three types:

Scalene Triangle - A triangle in which none of the three sides is equal is called a scalene triangle.
Isosceles Triangle - A triangle in which at least two sides are equal is called an isosceles triangle. In an isosceles triangle, the angles opposite to the congruent sides are congruent. Conversely, if two angles of a triangle are congruent the sides opposite to them are congruent.
Equilateral Triangle - A triangle in which all the three sides are equal is called an equilateral triangle. In an equilateral triangle, all the angles are congruent and equal to 60∘.