Simplify the following ratio: 8/14
GCF = 2
What is 4/7?
What is the formula to determine scale factor?
image length/pre-image length
True/False
For two shapes to be similar they have to be the same shape, but can have different sizes.
True
The following figures are similar. Find the missing value.
What is x = 11?
Simplify the following ratio: 76/28
GCF = 4
What is 19/7?
Find the scale factor of the similar figures (image on the right)
What is 1.5?
True/False
Similar figures do not have congruent angles.
False
The following figures are similar. Find the missing value.
What is x = 56?
Solve the following proportion:
What is x = 2?
Find the scale factor of the two similar figures (image on the right)
What is 3?
Similar figures have proportional sides.
True
The following figures are similar. Find the missing value.
Hint: Draw the triangles separately!!
What is x = 18?
Solve the following proportion:
What is x = 8.4 or 42/5?
Find the scale factor of the similar figures (image on the right)
What is 1.3?
Are these figures similar?
Yes, the corresponding angles are congruent and the sides are proportional
The following figures are similar. Find the missing value.
What is x = 50 feet?
Solve the following proportion:
What is x = 21?
Find the scale factor of the two similar figures (image uses blue line numbers)
What is 2.75?
Are these figures similar?
No, the corresponding angles are congruent, but the sides are not proportional
A tree casts a shadow 60 feet long. At the same time, a nearby 8 foot post casts a 12 foot shadow. How tall is the tree?
The tree is 40 feet tall.