## ML Aggarwal Solutions for Class 7 Maths Chapter 12 Congruence of Triangles - Free PDF Download

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## FAQs on ML Aggarwal Solutions for Class 7 Maths Chapter 12 Congruence of Triangles - PDF

1. What is a triangle?

A polygon with three sides with a sum of all internal angles being 180 degrees is called a triangle.

2. What is a right angled-triangle?

When one of the angles of a triangle is equal to 90 degrees, it is called a right-angled triangle.

3. What is a hypotenuse?

The biggest side of a right-angled triangle right at the opposite of the right angle is called the hypotenuse.

4. What is an obtuse-angled triangle?

When any one of the angles of a triangle is greater than 90 degrees, it is called an obtuse angled triangle.

5. What is an acute-angled triangle?

When all the angles in a triangle are less than 90 degrees, it is called an acute angled triangle.