Identifying Triangles and Triangle Sum Theorem

Draw

Mark Triangle CDE.

Draw

Mark Triangle BCE...

Draw

Mark Triangle ABE...

Multiple Choice

Triangle BDE is

• Acute

• Obtuse

• Right

• Equiangular

Multiple Choice

Triangle CFE is

• Acute

• Obtuse

• Right

• Equiangular

Draw

Mark Triangle JKM...

Draw

Mark Triangle KLN...

Multiple Choice

Triangle is JKN...

• Scalene

• Isosceles

• Equilateral

• Right

Multiple Choice

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Multiple Choice

Find the missing angle in the triangle.

• $$105\degree$$  

• $$75\degree$$  

• $$95\degree$$  

• $$89\degree$$  

Multiple Choice

Which two angles are the remote interior angles to Angle W?

• Angle X and Angle Y

• Angle X and Angle Z

• Angle Y and Angle Z

• Angle Z and Angle W

Multiple Choice

What is the measure of x?

• 101°

• 111°

• 121°

• 131°

Multiple Choice

Find the indicated angle measure. (What is ?)

• 51°

• 37°

• 167°

• 41°

Multiple Choice

Which angles are congruent?

• $$\angle A\ and\ \angle T$$  

• $$\angle M\ and\ \angle T$$  

• $$\angle A\ and\ \angle M$$  

Multiple Choice

What is the measure of $$\angle T$$  ?

• $$50\degree$$  

• $$60\degree$$  

• $$70\degree$$  

• $$80\degree$$  

Multiple Choice

What is the measure of $$\angle M$$  ?

• $$50\degree$$  

• $$60\degree$$  

• $$70\degree$$  

• $$80\degree$$  

Multiple Choice

What is the measure of $$\overline{RT}$$  ?

• 7 cm.

• 8 cm.

• 9 cm.

• 10 cm.

Multiple Choice

Find the value of y?

• 16

• 12

• 4

• 8