Similar Triangles or Not?

Do the sets of points form a similar triangle? Triangle one: (2,2) (4,2) (4,4) Triangle two: (4,4) (8,4) (8,8).

• Yes. Triangles are proportional.

• No. Triangles are proportional.

• No. Triangles are not proportional.

• Yes. Triangles are not proportional.

Why are the triangles similar?

• SAS

• AA

• SS

• SSS

Which of the following is not a similarity criterion: AA, SSS, SSA, SAS.

• AA

• SSS

• SSA

• SAS

What is not a criteria that makes triangles similar?

• Corresponding angles are congruent.

• Lengths of sides are proportional.

• Same Shape.

• Two sides are the same.

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.

• AA

• SSS

• SAS

• Not similar

• are

• are not

• congruent

• proportional

Solve.

c

d

f

15 in.

congruent/equal

10 in

different

9 in.

similar

Answer explanation

Find the value of x. Type only the value, not x =

Mathematical Equivalence

OFF

Find the value of x.

Type the value only, not x =

Mathematical Equivalence

ON

• are

• SAS Similarity Theorem

• are not

• SSS Similarity Theorem

Tags

G.SRT.5