The point of concurrency of the altitudes of a triangle is called the circumcenter. centroid. incenter. orthocenter.

The correct answer option is 'orthocenter'.

Step-by-step explanation:

The point of concurrency of the altitudes of a triangle is called the 'orthocenter'.

Orthocenter is the point in a triangle where all of the three altitudes of the triangle intersect each other.

Explaining further, a line which is perpendicular to the opposite side and passes from a vertex of a triangle is called the altitude of the triangle.

Therefore, the correct option is D. orthocenter.

the highest percentage for deaths in construction from highest to lowest is as follows: falls, struck by objects, electrocution, and caught-in/between. these four are collectively known as fatal four.

in the case of falls, the type that is responsible for the overall highest death in the category is falls from roofs.