Geometry Unit 14 Flashcards
1
Q
What is an altitude of a triangle
A
A segment from the vertex of a triangle that is perpendicular to the opposite side of the triangle
2
Q
What is the orthocenter
A
The intersection of all three altitudes of a triangle
3
Q
what a point of concurrency?
A
When 3 lines intersect in a single point. an orthocenter is a point of concurrency
4
Q
Where is the orthocenter of an obtuse triangle?
A
outside the triangle
5
Q
Where is the orthocenter of an acute triangle
A
inside the triangle
6
Q
Where is the orthocenter of a right triangle?
A
at the right angle
7
Q
What is the relationship between x and -1/x ?
A
Opposite reciprocals. This relates to the slope relationship between two perpendicular lines
8
Q
Whats the slope of a horizontal line?
A
0
9
Q
Whats the slope of a vertical line
A
undefined
