Triangles

In triangle ABC, if AB = AC, then the triangle is called:

The sum of the interior angles of any triangle is:

In triangle PQR, if ∠P = 90° and PQ = 6 cm, QR = 10 cm, then the length of PR is:

Which of the following sets of sides can form a triangle?

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

If the sides of a triangle are in the ratio 3:4:5 and its perimeter is 36 cm, then the length of the longest side is:

In triangle ABC, if AB = 7 cm, BC = 24 cm, and AC = 25 cm, then the triangle is:

The area of an equilateral triangle with side 'a' is given by:

In triangle XYZ, if XY = XZ and the angle between them is 40°, then the measure of angle YZ X is:

If the sides of a triangle are 7 cm, 24 cm, and 25 cm, what is the length of the altitude to the longest side?