AnswersAZ-Geometry A MA201Isosceles Triangles

Incenter and Circumcenter Answers

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1
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Which statements must be true regarding the diagram?

A
BG ≅ AG
B
DG ≅ FG
C
DG ≅ BG
D
GE bisects ∠DEF
E
GA bisects ∠BAF
2
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Which statements must be true regarding the diagram?

A
∠HDC ≅ ∠HDE
B
AB ≅ AF
C
AB ≅ BC
D
HC ≅ HE
E
HA ≅ HB
3

What is SU?

A
SU = 5
B
SU = 7
C
SU = 12
D
SU = 13
4

Where do the points of concurrency of certain types of triangles lie?

Answers:
The circumcenter of an obtuse triangle lies the triangle.:outside
The incenter of a right triangle lies the triangle.:inside
The point of concurrency of the angle bisectors of an acute triangle lies the triangle.:inside
The point of concurrency that is equidistant from the vertices of a right triangle lies the triangle.:on
5

Where do the points of concurrency of certain types of triangles lie?

Answers:
The circumcenter of an obtuse triangle lies the triangle.:outside
The incenter of a right triangle lies the triangle.:inside
The point of concurrency of the angle bisectors of an acute triangle lies the triangle.:inside
The point of concurrency that is equidistant from the vertices of a right triangle lies the triangle.:on
6

✔ insideonoutside

A
✔ inside
B
on
C
outside
7

✔ insideonoutside

A
✔ inside
B
on
C
outside
8

inside✔ onoutside

A
inside
B
✔ on
C
outside
9

Which triangle shows the incenter at point A?

A
[Image: Point A is inside of a triangle. Lines are drawn f...]
Option A
B
[Image: Point A is inside of a triangle. Lines are drawn f...]
Option B
C
[Image: Point A is inside of a triangle. Lines are drawn f...]
Option C
D
[Image: Point A is inside of a triangle. Lines are drawn f...]
Option D
10

What does point P represent with regard to the triangle?

A
the point of concurrency of the altitudes
B
the point of concurrency of the angle bisectors
C
the point of concurrency of the medians
D
the point of concurrency of the perpendicular bisectors
14

What is the length of Line segment H A ?

Question illustration
A
7 units
B
8 units
C
24 units
D
48 units

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