In the triangle shown below,  $m\angle D=39\degree$   and  $m\angle C=87\degree$  . What is the  $m\angle A?$  

•  $54\degree$  

•  $39\degree$  

•  $42\degree$  

•  $60\degree$  

Find missing side

• 5
• 7
• 9
• 11

Tags

CCSS.HSG.SRT.A.2

Solve for x.

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• 4

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The statement $\Delta ABC\sim\Delta DEF$  means?

• Two triangles are similar

• Two triangles are congruent

• Two triangles are isosceles

• Two triangles are equilateral

Are the triangles similar?

• Yes
• No

Tags

CCSS.HSG.SRT.A.2

Triangle CAB is similar to Triangle CED. 

Which side corresponds to side $\overline{CE}$  ? 

(Hint: Stack the letters!!)

•  $\overline{AB}$  
  

•  $\overline{DE}$  
  

•  $\overline{CA}$  
  

•  $\overline{CB}$  
  

Tags

CCSS.HSG.SRT.A.2

Which statement is true?

• $\angle A\ =\angle E$

• $\angle F=\angle B$

• $\angle E=\angle B$

• $\angle C=\angle D$

Tags

CCSS.HSG.SRT.A.2

Fill in the blank. 
 $\Delta ABC\ \sim$  ___________.

•  $\Delta CDE$  
  

•  $\Delta DEC$  
  

•  $\Delta ECD$  
  

•  $\Delta DEC$  
  

Matching sides are called

• Corresponding Sides
• Corresponding Angles
• The Same
• Congruent Sides

Tags

CCSS.8.G.A.2

 $\Delta ABC\sim\Delta FED$  

.Find X

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