Triangles — NCERT Class 9 Mathematics Important Questions & Revision Notes

If $\triangle ABC \cong \triangle PQR$, then which of the following is true?

Angles opposite to equal sides of a triangle are:

In a right-angled triangle, the longest side is:

Which of the following is not a criterion for congruence of triangles?

If the three sides of one triangle are equal to the three sides of another triangle, then the two triangles are congruent by:

Each angle of an equilateral triangle is:

If $\triangle PQR \cong \triangle EFD$, then $ED$ is equal to:

In $\triangle ABC$, if $AB = AC$ and $\angle B = 50^\circ$, then $\angle C$ is:

In a triangle, the angle opposite to the longer side is:

The sum of any two sides of a triangle is always _____ the third side.