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Somebody please help me

Somebody please help me-example-1
User Wolfwyrd
by
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1 Answer

4 votes

Answer:

A). Scale factor =
(1)/(4)

B). Length of the unknown side = 2.75 feet

Explanation:

Part A

Since, the large rectangle was scaled by a scale factor 'k' to form the smaller rectangle,

Scale factor =
\frac{\text{Side length of the image}}{\text{Side length of the preimage}}

=
\frac{\text{Side length of the smaller rectangle}}{\text{Side length of the larger rectangle}}

=
(4)/(16)

=
(1)/(4)

Part B

Scale factor =
\frac{\text{Side length of the smaller rectangle}}{\text{Side length of the larger rectangle}}


(1)/(4)=\frac{\text{Side length of the smaller rectangle}}{11}

Therefore, side length of the unknown side =
(11)/(4) = 2.75 feet

User Poorkenny
by
7.8k points

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