3.3 Triangles Properties Quiz

Classify the triangle.

• Acute, Scalene

• Obtuse, Scalene

• Acute, Equilateral

• Obtuse, Isosceles

Classify the triangle.

• Acute, Scalene

• Obtuse, Scalene

• Acute, Equilateral

• Obtuse, Isosceles

Classify the triangle.

• Acute, Scalene

• Obtuse, Scalene

• Acute, Isosceles

• Obtuse, Isosceles

Which two diagrams show at least one midpoint of a segment?  (2 answers) 

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Which of the following statements is NOT true?

•  $\overline{JK}\cong\overline{KI}$  

•  $\angle JHK\cong\angle IHK$  

•  $\overline{KH}$  bisects $\angle JHI$  

•  $K$  is the midpoint of  $\overline{JI}$  

•  $\Delta JHI$ is an acute isosceles triangle

 $\overline{QN}$ bisects $\angle PQR$ and $N$ is the midpoint of $\overline{PR}$ .  

What is  $\Delta PQR$  ?

• acute, isosceles

• acute, equilateral

• right, isosceles

• right, scalene

 $\overline{QN}$ bisects $\angle PQR$ and $N$ is the midpoint of $\overline{PR}$ .  

What is  $\Delta QNR$  ?

• acute, isosceles

• acute, equilateral

• right, isosceles

• right, scalene

 $\overline{QN}$ bisects $\angle PQR$ and $N$ is the midpoint of $\overline{PR}$ .  

What is  $\Delta TQS$  ?

• acute, isosceles

• acute, scalene

• right, isosceles

• right, scalene

Find $m\angle3$ and identify the theorem used.

• 29, Exterior Angle Theorem

• 51, Triangle Sum Theorem

• 61, Vertical Angles Theorem

• 180, Triangle Sum Theorem

Find $m\angle2$ and identify the theorem used.

• 29, Exterior Angle Theorem

• 51, Triangle Sum Theorem

• 61, Vertical Angles Theorem

• 180, Triangle Sum Theorem