H7|Scale Factor, Perimeter and Area - Laura Perry | Biblioteka

Instrukcije

Look for patterns that will help you to describe the changes you see in perimeter and area when figures are changed proportionally.

Obavezno

1

What generalization can you make about the effects of the scale factor on the measurements figure?

Obavezno

1

The scale factor does not affect the dimensions.

The dimensions are 3 times smaller than the original image.

The dimensions are 3 times larger than the original image.

Obavezno

1

The scale factor does not affect the perimeter.

The perimeter is 3 times smaller than the original image.

The perimeter is 3 times larger than the original image.

Obavezno

1

The area is 3 times larger than the original.

The area is 9 times larger than the original.

The area is 3 times smaller than the original.

The area is 9 times smaller than the origina.

Let's summarize the effects of scale factor on Perimeter and Area

Obavezno

1

Obavezno

1

Mrs. Capps has plans for a rectangular garden that measures 8 ft. by 10 ft. Unfortunately, she does not

have enough room in her backyard and needs to decrease the size of her garden. She only has room for

a garden that has dimensions 0.75 times the size of the original dimensions. What is the perimeter of

her new garden?

36 feet

27 feet

60 feet

80 feet

Obavezno

1

Obavezno

1

4

1/4

2

1/2