Scale Factors and Perimeters of Polygons

The video tutorial covers the concept of making scaled copies of polygons using different scale factors. It includes exercises on drawing scaled copies of polygons and calculating the perimeter of scaled quadrilaterals. The tutorial also involves a discussion on identifying scaled copies among given figures, emphasizing the importance of understanding scale factors in geometry.

What is the scale factor used to create a scaled copy of polygon A?

• 1

• 2

• 1/2

• 3/2

If polygon B is scaled by a factor of 1/2, what happens to its dimensions?

• They double

• They remain the same

• They are halved

• They triple

What is the scale factor for polygon C if it is scaled by 3/2?

• 1/2

• 2

• 1

• 3/2

What is the perimeter of quadrilateral B if its shortest side is 2 and the original shortest side is 6?

• 24 units

• 18 units

• 12 units

• 6 units

What is the scale factor used to reduce the side lengths of quadrilateral A to form quadrilateral B?

• 2

• 1/3

• 1/2

• 3

What is the perimeter of the original polygon on the grid?

• 5 units

• 20 units

• 10 units

• 15 units

To achieve a perimeter of 30 units, what scale factor is applied to the original polygon on the grid?

• 3

• 4

• 1

• 2

Which figure is a scaled copy of figure A according to the discussion?

• None

• Figure B

• Figure C

• Figure D

What is the scale factor between figure A and figure D?

• 2

• 3

• 1

• 1/2

What is the perimeter of figure D if figure A's perimeter is 12?

• 12 units

• 24 units

• 18 units

• 30 units