Question

If length of sides of a triangle are a, b, c and a² + b² = c², then which type of triangle it is?

Options

• Obtuse angled triangle

• Acute angled triangle

• Equilateral triangle

• Right angled triangle

Answer 1

Right angled triangle

Explanation:

If the sides satisfy (a² + b² = c²), then by the Pythagorean theorem and its converse the triangle has a 90° angle, with (c) as the hypotenuse.