1. Circle the letter with the name of the correct point of concurrency. 5
Circle the letter with the name of the correct point of concurrency. 5. The three altitudes of a triangle intersect at the ____________________.
circumcenter (b) incenter (c) centroid (d) orthocenter
6. The three medians of a triangle intersect at the ____________________.
7. The three perpendicular bisectors of a triangle intersect at the ____________________.
8. The three angle bisectors of a triangle intersect at the ____________________.
9. It divides each median into two sections at a 2:1 ratio.
(a) circumcenter (b) incenter (c) centroid (d) orthocenter
10. In which triangle do the three altitudes intersect outside the triangle?
(a) a right triangle (b) an acute triangle (c) an obtuse triangle (d) an equilateral triangle
11. For a triangle, which two points of concurrence could be located outside the triangle?
incenter and centroid (b) centroid and orthocenter
incenter and circumcenter (d) circumcenter and orthocenter
12. In a given triangle, the point of intersection of the three medians is the same as the point of intersection of the three altitudes. Which classification of the triangle is correct?
Scalene triangle (c) equilateral triangle
Isosceles triangle (d) right isosceles triangle