Khan Academy Geometry Similar Triangles

Are triangle ABC and triangle DEF similar?

• No

• Yes

Determine if the two triangles are similar and why.

• No, they are not similar

• Yes, by AA

• Yes, by SAS

• Yes by SSS

Determine if the triangles are similar and for what reason

• No, they aren't similar

• Yes, by SSS

• Yes, by SAS

• Yes, by AA

Determine if the triangles are similar and why.

• No, they aren't similar

• Yes by AA

• Yes by SSS

• Yes by SAS

In this diagram, Δ𝐽𝐾𝐿~Δ𝑆𝑇𝑈 Based on the measurements in the diagram, what is the measure of ∠𝐾?

• 15°

• 30°

• 45°

• 60°

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

Mathematical Equivalence

OFF

Solve.

c

d

f

congruent/equal

10 in

15 in.

similar

9 in.

different

Answer explanation

• are

• SAS Similarity Theorem

• are not

• SSS Similarity Theorem

Tags

G.SRT.5

• are

• are not

• congruent

• proportional

Find the value of x.

Type the value only, not x =

Mathematical Equivalence

ON