Similar Figures

Similar Figures

By Aimee Norman

Multiple Choice

Solve the proportion.

• 20
• 7
• 22
• 11

Multiple Choice

Two figures are congruent if they have the _______ shape and _______ size.

• Different, Same
• Same, Same
• Same, Different
• Different, Different

Multiple Choice

State whether the two figures are congruent.

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

Multiple Choice

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

• Congruent
• Vertical
• Similar
• Complementary 

Multiple Choice

Two shapes that are similar are also congruent

• True
• False

Multiple Choice

The two figures are similar. Which side length corresponds to $$\overline{PS}$$   ?

•   $$\overline{KN}$$  

•   $$\overline{LM}$$  

•   $$\overline{QR}$$  

•   $$\overline{SR}$$  

Multiple Choice

Polygons JKLMN and STUVW are similar.

What side is corresponding to side JN?

• JK

• ST

• SW

• JN

Multiple Choice

Which angle corresponds with $$\angle F$$  ?

• $$\angle A$$  

• $$\angle B$$  

• $$\angle D$$  

• $$\angle C$$  

​Corresponding angles are like corresponding sides...they stack up!

​Interesting FYI about corresponding angles...THEY ARE THE SAME SIZE!!!

Fill in the Blanks

If $\angle F$  equals 45 degrees...how much does $\angle C$ equal?

(number only)

​It is ALWAYS multiplication

Drag and Drop

The difference in size of 2 similar shapes is always different by a

Placeholder

which is always ​

Placeholder

Drag these tiles and drop them in the correct blank above

factor

sum

quotient

difference

multiplication

division

addition

subtraction

​When the factor is GREATER than one it means the new object will be LARGER than the original

​Enlargement

​When the factor is SMALLER than one it means the new object will be SMALLER than the original

​Reduction

Multiple Choice

If the scale factor is less than one, the new figure will be

• an enlargement
• a reduction
• a scale factor
• bigger

Multiple Choice

If the scale factor is greater than one, the new figure will be

• a reduction
• an enlargement
• a scale
• not proportional

Multiple Choice

Jack wants to make a smaller copy of his original object. Which scale will make his copy smaller?

• A scale equal to 1 will make the copy smaller.
• A scale greater than 1 (e.g., 2) will make the copy smaller.
• A scale less than 1 (e.g., 0.5) will make the copy smaller.
• A scale of 0 will make the copy smaller.

Multiple Choice

The scale from the object A to the object B is 3.5. Which object is larger?

• A

• B

Multiple Choice

Tina is using a scale of $$\frac{3}{8}$$ . Is she making a larger or smaller object?

• Larger

• Smaller