Practice Problems with Triangles

Graphic 1

Study the image in Graphic 1. You should see two triangles. The vertices in each triangle are labeled with a capital letter. (A, B, C or D). Use Graphic 1 to answer the first two questions.

Which of the names below would not be correct when referring to triangle BDC?

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A
DCB
B
CAB
C
DBC
D
BCD

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Which "leg" or side segment do triangle ABC and triangle BDC share?

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A
segment AB
B
segment BD
C
segment BC
D
segment DC

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Graphic 2

Study the image in Graphic 2. You should see a triangle with its vertices labeled A, B and C.

In triangle ABC, what is the side opposite the vertex labeled A?

Vink alles aan wat van toepassing is

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In triangle ABC, what is the angle opposite the side labeled b?

Vink alles aan wat van toepassing is

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Which of the following is true about the angle labeled C in triangle ABC?

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A
Angle C is an obtuse angle
B
Angle C is a right angle
C
Angle C is an acute angle

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How might we classify triangle ABC?

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A
triangle ABC is a scalene triangle
B
triangle ABC is an equilateral triangle
C
triangle ABC is a right triangle
D
triangle ABC is an obtuse triangle

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Closed Curve, Polygon, Triangle For each figure, determine if it classified as a closed curve, polygon, triangle, or none of the above. Each may have more than one answer.