Similarity IGCSE

If two figures are similar, the corresponding sides are ______________.

• equal
• congruent
• proportional
• none of these

If two figures are similar their angles are______.

• proportional
• congruent
• supplementary
• complementary

Calculate the value of the scale factor between the 2 triangles

• 2.5

• 3

• 3.5

• 4

The pair of figures is similar. Find the missing side.

• x = 12
• x = 3
• x = 40
• x = 4

Are the triangles similar?

• Yes
• No

Are the triangles similar?

• Yes
• No

Tell whether the two figures are congruent.

• Yes, same size and same shape
• No, same shape but different sizes
• No, different size and different shapes

What is the scale factor from MNOP to ABCD?

• 2/3
• 3/2
• 2
• 3