Question

In the following figure, AB = BC and AD = BD = DC. The number of isosceles triangles in the figure is ______.

Options

• 1

• 2

• 3

• 4

Answer 1

In the following figure, AB = BC and AD = BD = DC. The number of isosceles triangles in the figure is 3.

Explanation:

A triangle, in which two sides are equal, is known as an isosceles triangle.

Hence, there are 3 isosceles triangles in the given figure,

i.e. ΔABC, ΔABD and ΔDBC ...[AB = BC, AD = DB and BD = DC]