Geometry unit 8

​​Supplies: Calculator, Computer

. The Quizizz is a grade for today.
. Your grade will be ZERO for no participation, cheating, and have a phone out.

Multiple Choice

Is the quadrilateral ABCD and EFGH are Congruent or Similar?

• Similar

• Congruent

Multiple Choice

Determine if the shapes shown are 'Congruent', 'Similar', or 'Neither'

• Similar

• Congruent

• Neither

Multiple Choice

Determine if the shapes shown are 'Congruent', 'Similar', or 'Neither'

• Similar

• Congruent

• Neither

Multiple Choice

Determine if the shapes shown are 'Congruent', 'Similar', or 'Neither'

• Similar

• Congruent

• Neither

Multiple Choice

Determine if the triangles shown are 'Congruent', 'Similar', or 'Neither'

• Similar

• Congruent

• Neither

Multiple Choice

Determine if the triangles shown are 'Congruent', 'Similar', or 'Neither'

• Similar

• Congruent

• Neither

Multiple Choice

Determine if the triangles shown are 'Congruent', 'Similar', or 'Neither'

• Similar

• Congruent

• Neither

Multiple Choice

Determine if the triangles shown are 'Congruent', 'Similar', or 'Neither'

• Similar

• Congruent

• Neither

Multiple Choice

Determine if the triangles shown are 'Congruent', 'Similar', or 'Neither'

• Similar

• Congruent

• Neither

Multiple Select

The square on the right is a scale copy of the square on the left. Identify the scale factor.

Select 2 answers

• $$\frac{32}{20}$$

• $$\frac{8}{5}$$

• 4

• $$\frac{1}{2}$$

Fill in the Blank

In the diagram, Δ RST ≃ Δ XYZ

Find the scare factor Δ RST ≃ Δ XYZ

/

Multiple Choice

The triangle on the right is a scaled copy of the triangle on the left. Identify the scale factor. Express your answer as a fraction in simplest form.

• 18

• 21

• $$\frac{7}{6}$$

• $$\frac{19}{21}$$

Multiple Choice

The equations of the lines shown are y= 2x + 8 and y= 2x +6. Is △AOB~△COD​ ?

• Yes

• No

Fill in the Blank

In the diagram, Δ ABC ∼ Δ DEF.

Find the value of x

Multiple Choice

Determine whether the triangles are similar.

• Yes

• No

Fill in the Blank

Find the length of $$\overline{AB}$$

Fill in the Blank

Find the value of x that makes Δ ABC ∼ Δ DEF

​In the diagram, Δ ABC ∼ Δ DEF.
Find the area of Δ DEF.

Fill in the Blank

In the diagram, Δ ABC ∼ Δ DEF. Find the area of Δ DEF.

Multiple Choice

If these triangles are similar by AA~, write a valid similar statement.

• 18Δ TSR ~ Δ XZY

• 21Δ STR ~ Δ YZX

• Δ RTS ~ Δ XZY

• Δ R ~ Δ Z