Congruence and Similarity

Describe the type of transformation

• Reflection in the horizontal line

• Reflection in the vertical line

• Translation to the left

• Translation to the right

What is this picture an example of?

• Reflection in the vertical line

• Rotation 90 degrees clockwise

• Rotation 90 degrees counterclockwise

• Translation down

Describe the Transformation

• Translation to the left

• Translation to the right

• Reflection in a horizontal line

• Rotation around the vertex

Congruent figures have the same shape and size

• True

• False

Similar figures are the same size but different shapes

• True

• False

How can we prove triangles are similar? (choose 2 correct answers)

• Prove that the SIDES are PROPORTIONAL

• Prove that the SIDES are CONGRUENT

• Prove at least TWO angles CONGRUENT

• Prove just ONE angle congruent

Are these triangles similar?

• Yes
• No

Tags

CCSS.8.G.A.4

CCSS.8.G.A.5

The telephone pole has a shadow of 4ft. A lawn ornament is 4ft heigh and cast a 2ft shadow. Find the height of the telephone pole.

• h = 8

• h = 2

• h = 80

• $h\ =\ \frac{1}{2}$

What does congruent mean?

• corresponding sides and angles are congruent

• corresponding sides are proportional and corresponding angles are congruent

• sames shape

• neither sides or angles are congruent

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

Solve for x

• x=6
• x =1/6
• x = 7
• x=9

Tags

CCSS.8.EE.C.7