Geometry Proportion

If x is the geometric mean, what other values will be used in the proportion? Think Green anchor chart

• 5, 15

• 5, 20

• 5, z

• 15, y

Find the value of y. 

• 4

• 2√6

• 6√2

• 12

Find the value of x. 

• 15√5

• 5√5

• 5√3

• 3√5

Find the length of the missing side. 

• 25 cm

• 42 cm

• 52 cm

• 48 cm

_{^{Find the missing side}}

• 36

• 76.8

• 12

• 40

If the geometric mean is z, what other values are needed in the proportion?

• 9, 3

• 3, 12

• 9, 12

• 9, x

Two objects that are the same shape but not the same size are _______.

• Congruent

• Vertical

• Similar

• Complementary 

Which side length corresponds with EF?

• ML

• LM

• OL

• EH

Are these figures similar?

• yes

• no

Are these figures similar?

• yes

• no