Scale Factor

What is the scale factor if the triangle on the left is the original?

• 2
• 3/2
• 2/3
• 1/2

What is the scale factor from ΔDEF to ΔABC?

• 1/2
• 7/3
• 2
• 10/3

What is the scale factor from MNOP to ABCD?

• 2/3
• 1/2
• 3/2
• 2

• 0.25
• 0.5
• 2
• 1/2

• 0.25
• 0.5
• 2
• 1/2

Is Figure B a scaled copy of Figure A?

• Yes

• No

Is Figure B a scaled copy of Figure A?

• Yes

• No

What is the formula for scale factor?

The two rectangles are scale drawings. What is the measurement of x?

• 21
• 1.25
• 20
• 4

Find missing side

• 5
• 7
• 9
• 11