Question

Maggie claims that there are transformations that preserve the length of the rectangles sides. which of the following could NOT be used to support Maggie’s claim?
A. a dilation of scale factor 1 through center C

B. a rotation of 90 degrees clockwise about vertex Q

C. a reflection over the side RS

D. a vertical stretch of scale factor 2 through center C

Answer 1

Answer:

D. a vertical stretch of scale factor 2 through center C

Step-by-step explanation:

Given

Claim that there are transformations that keep the length of a rectangle

Required

Which can not be used to prove this claim

From the list of given options: option (a) to (c) can be used by Maggie to back up her claim because:

(a) Scale factor of 1 do not alter the length

(b and c) Rotation and Reflection do not change the length

However

(d) doubles the length of the rectangle

Hence, (d) is correct.