Scale Factor

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

• Congruent

• Vertical

• Similar

• Complementary

Sides in similar figures must be proportional.  

• True
• False 

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Mrs. Ashley used similar triangles to make a design. Which statement about the triangles in the design must be true?

• They are the same size and shape.

• They are the same size but different shapes.

• They have corresponding angles that are congruent.

• They have corresponding sides that are congruent.

Are the following similar? Why or why not?

• Yes
• No, the corresponding angles are not equal.
• No, the ratios of the corresponding sides are not equal.

Tags

CCSS.HSG.SRT.A.2

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

• an enlargement

• a reduction

• a scale factor

• bigger

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

• a reduction

• an enlargement

• a scale factor

• smaller

What is the scale factor from ΔABC to ΔDEF?

• 1/2

• 7/3

• 2

• 10/3

Robbie made a scale drawing of a neighborhood park. A soccer field in the park is 14 inches long in the drawing. The actual field is 98 yards long. What is the scale of the drawing?   1 inch = _ yards

• 1372
• 5
• 14
• 7

Tags

CCSS.7.RP.A.2C

_{Line AB corresponds with what line?} 

• XZ
• XY
• YZ
• YX

Tags

CCSS.HSG.SRT.A.2

Line CB corresponds with what line? 

• SR
• PQ
• SP
• RQ

Tags

CCSS.8.G.A.2