18

Part of 2020 Malaysia IMONST 1

Problems(1)

Malaysia IMONST 1 Senior P18

Source:

In a triangle, the ratio of the interior angles is

1 : 5 : 6

, and the longest side has length

12

. What is the length of the altitude (height) of the triangle that is perpendicular to the longest side?

altitudeTrianglegeometry