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# In an isosceles right triangle, the number of lines of symmetry is ________.

**Solution:**

We know that

The line of symmetry is a line that divides an object into two identical pieces.

The lines of symmetry in an isosceles right triangle is one.

Therefore, the number of lines of symmetry is one.

**✦ Try This: **In a square, the number of lines of symmetry is ________.

We know that

The line of symmetry is a line that divides an object into two identical pieces.

The lines of symmetry in a square are four.

Therefore, the number of lines of symmetry in a square is four.

**☛ Also Check: **NCERT Solutions for Class 7 Maths Chapter 10

**NCERT Exemplar Class 7 Maths Chapter 12 Problem 29**

## In an isosceles right triangle, the number of lines of symmetry is ________.

**Summary:**

In an isosceles right triangle, the number of lines of symmetry is __one__.

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