GRADE 9 Similarity of triangles

Tell whether the triangles are similar or not.

• a

• b

Tell whether the triangles are similar or not.

• a

• b

Tell whether the triangles are similar or not.

• a

• b

Tell whether the triangles are similar or not.

• a

• b

Find the missing side using proportions.

• a

• b

• c

• d

Find the missing side using proportions.

• a

• b

• c

• d

Are the triangles similar?

• Yes
• No

Are the triangles similar?

• Yes
• No

Which triangles are similar to triangle A?

• B
• C
• Both
• None

∆ABC≅∆XYZ
which is true?

• AB≅XY
• AB≅YX
• AB≅XZ
• BC≅CB