2019 · Q29
Which one of the following is correct in respect of a right-angled triangle?
Elementary MathematicsGeometry: Lines, Angles and Triangles
- AIts orthocentre lies inside the triangle
- BIts orthocentre lies outside the triangle
- CIts orthocentre lies on the triangle
- DIt has no orthocentre
Explanation
In a right-angled triangle the two legs are altitudes, so all three altitudes meet at the right-angle vertex, which lies on the triangle.