Question

Which of the following correctly describes a right-angled triangle?

Options

• All three angles are equal

• One angle equals 90° and the other two are acute

• One angle is greater than 90°

• All angles are less than 90°

Answer 1

One angle equals 90° and the other two are acute

Explanation:

A right-angled triangle has exactly one angle measuring 90° (a right angle), while the remaining two angles are acute (less than 90°).