Triangles: Congruence and Rigid Transformations.

Describe the transformation in the image.

• Translation

• Reflection

• Rotation

• Dilation

Tags

CCSS.HSG.CO.A.2

How many degrees are in a triangle?

• 90

• 86

• 120

• 180

Tags

CCSS.8.G.A.5

Identify the transformation from ABC to A'B'C'.

• 90^o clockwise rotation
• 90^o counter clockwise rotation
• Reflection across the y-axis
• Reflection across the x-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Are these triangles congruent?

• Yes, by ASA
• Yes, by SAS
• Yes, by AAS
• No, this is the SSA one!!

Tags

CCSS.HSG.SRT.B.5

Are these triangles congruent?

• Yes, by SSS
• Yes, by SAS
• Yes, by ASA
• No, this is the SSA one!!

Tags

CCSS.HSG.SRT.B.5

Are these triangles congruent?

• Yes, by AAS
• Yes, by SAS
• Yes, by ASA
• No, this is the SSA one!!

Tags

CCSS.HSG.SRT.B.5

Which is NOT a test to prove triangles congruent?

• SAA
• SSS
• SSA
• SAS

Tags

CCSS.HSG.SRT.B.5

Find the value of x.

• 4

• 1

• -5

• -1/2

Tags

CCSS.HSG.CO.B.7

What is the correct values for x and y?

• x = 40, y = 35

• x = 35, y = 40

• x = 12, y = 30

• x = 30, y = 15

Tags

CCSS.7.G.B.5

If the red triangle is rotated 180 degrees, then reflected over y=2 what is the final image?

• Green Triangle

• Blue Triangle

• Orange Triangle

• Red Triangle

Tags

CCSS.8.G.A.3