Definition of Isosceles Triangle
When the two sides of a triangle are equal, then the triangle is called as an Isosceles Triangle.
More About Isosceles Triangle
- The diagonals of an Isosceles Triangle are equal.
- In an isosceles triangle, the two angles are equal.
Video Examples: Trapezoids : Isosceles Triangle
Example of Isosceles Triangle
Solved Example on Isosceles Triangle
Ques: Which of the following is an isosceles triangle?
Choices:A. Figure 2
B. Figure 4
C. Figure 1
D. Figure 3
Correct Answer: D
Step 1: A triangle with two equal sides is known as an isosceles triangle.
Step 2: Among the figures shown, the figure 3 has two equal sides.
Step 3: Therefore, figure 3 is an isosceles triangle.