NewTrier Varsity 2006  Round 4, Page 5 


Bonus 9: Math (Geometry) 
Name these points related to triangles. 
A: The intersection of the perpendicular bisectors of the sides, this is the center of a circle that goes 
through the triangle's three vertices. 
B: The intersection of the three angle bisectors, this is the center of the largest circle that can fit
inside thetriangle. 
C: The intersection of the three medians, thisis the center of mass of the triangle. 
D: The intersection of the three altitudes of the triangle, thiscenter only lieswithin the triangle if the 
triangle has no obtuse angles. 
Answers: A: Circumcenter B: Incenter C: Centroid D: Orthocenter 

Tossup 10: Science (Physics) 
For it to occur, the Coulomb barier must be overcome so that nuclei come within one femtometer, at 
which point the strong interaction can overcome electromagnetic repulsion.This requires so much 
energythat it can probably only happenat very high temperatures,though some have claimed to 
observe it at room temperature. Usualy occuringwith hydrogen, it is also undergone by helium and 
even lithium.Name this nuclear process in which nuclei combine. 
Answer: Nuclear fusion (do not accept fission) 

Bonus 10: Literature (Literature) 
Answerthe folowing about Emily Dickinson. 
A: She hails from whatcity in Massachusets? 
B: Many would claim that she hada favorite punctuation mark that appearsan inordinate number of 
times in her poetry. Identifythis mark, which is longer than ahyphen. 
C: Within 15, how many poems did Dickenson write? 
D: Because of heruse of common meter, it is said that one is able to sing most of her poetry to the
tune of what TV theme song? 
Answers: A: Amherst B: Dash C: 1,789 (acceptanything between 1,774 and 1,804) D:Giligan's 
Island 

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