Question

A rectangle has a length of 12 mm and a width of 15 mm. Which statement best describes the change in the

A new rectangle was created by multiplying all of the perimeter of the new rectangle?
dimensions by a scale factor of Ş.
1
The new perimeter will be times the perimeter of
2
the original rectangle.
1
O The new perimeter will be times the perimeter of
3
15 mm
5 mm
the original rectangle.
4 mm
O The new perimeter will be 2 times the perimeter of
the original rectangle.
12 mm
O The new perimeter will be 3 times the perimeter of
the original rectangle.

Answer 1

perimeter of original rectangle *1/3 = perimeter of new rectangle

Explanation:

The rule for perimeter is multiply by the scale factor

perimeter of original rectangle * scale factor = perimeter of new rectangle

perimeter of original rectangle *1/3 = perimeter of new rectangle