Circumcenters and Incenters
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which point is equidistant from the vertices?
Circumcenter
Incenter
Neither
Bilateral
Tags
CCSS.HSG.C.A.3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Point P is the circumcenter, which segment is equal to PB
DA
AC
PC
PF
Tags
CCSS.HSG.C.A.3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Define: CIRCUMCENTER OF A TRAINGLE
the intersection point of the three perpendicular bisectors of a triangle
when a circle passes through the three vertices of a triangle
the point of intersection of three or more lines
the intersection point of the three angle bisectors of a triangle
Tags
CCSS.HSG.C.A.3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Define: INCENTER OF A TRIANGLE
the intersection point of the three angle bisectors of a triangle
when three or more lines intersect at a single point
the intersection point of the three perpendicular bisectors of a triangle
the point of intersection of three or more lines
Tags
CCSS.HSG.C.A.3
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Point T is the incenter. Find the length of TU.
(a)
Tags
CCSS.HSG.C.A.3
6.
DRAG AND DROP QUESTION
1 min • 2 pts
Which point is equidistant from the vertices? (a) Which point is equidistant from the sides? (b)
Circumcenter
Incenter
Centroid
Orthocenter
Tags
CCSS.HSG.C.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the special property for circumcenters?
The circumcenter is equally distant to the midpoint of the sides of the triangle.
The circumcenter is equally distant to the vertices.
Tags
CCSS.HSG.C.A.3
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