Similarity Understanding

Is Triangle ACB similar to triangle DCE?

• No, I can't show that 2 corresponding angle pairs are congruent.

• Yes, because if I subtract 180 - (21+36) ACB is 123, so I have two pairs of congruent angles for AA Similarity.

Finish the following similarity statement: Figure DEFGHI ∼ Figure ​ (a)  

• DEFGHI

• D'E'F'G'H'I'

• ABCDEF

• A'B'C'D'E'F'

ΔABC is a right triangle with the dimensions shown. Which of the following figures is similar to ΔABC?

• FIGURE A

• FIGURE B

• FIGURE C

• FIGURE D

Are these figures similar?

• yes

• no

• i don't know

• not enough information

Are these two triangles similar? Why or why not?

• Yes, they are both triangles

• Yes, they both have right angles

• No, they only have one congruent angle

• No, they look different

These triangles are...

• Similar by AA∼

• Similar by SAS∼

• Congruent by SAS≅

• Not Similar

Are the triangles similar?

• Yes

• No

Are these triangles similar?

• Yes

• No

The 2 shapes are similar. Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

Assume the triangles are similar. Solve for x.

x=_