Question

What is triangle and its properties in?

Answer 1

triangle is a three lines curve closed figure,it has three sides,three vertices,three angle.
properties of triangle:sum of all three angle is 180°.Lenght of other any two sides is equal.
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Answer 2

Triangle is the simple closed figure which is bounded by three line segments.
Properties of triangle:
1.sum of all angles of triangle is 180°
2.the sum of two sides of triangle is greater than third side.
3.on the basis of sides, triangle is classified into three parts:
→ equalateral triangle
→ isoceles triangle
→ scalene triangle
4.on the basis of angles, triangle is classified into three parts:
→ acute angled triangle
→ right angled triangle
→ obtuse angled triangle