Question

4. A rectangle is 3 in in tall and 4 in wide. If it is enlarged to a height of 12 in, then how wide will it be? (a) 17 in (b) 16 in (c) 14 in (d) 18 in..​

Answer 1

Answer:

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Answer 2

Given:

Before enlarging,

Rectangle's Height=$3$ inches, Width=$4$ inches

After enlarging,

Rectangle's Height=$12$ inches

To find:

After enlarging,

Rectangle's Width=??

Step-by-step explanation:

If the dilation is uniform, both height and width will be multiplied by $4$.

Height=$3$ inches, Width=$4$ inches.

New Height=$3*4=12$ inches.

In this equation the height is multiplied by  $4$.

So, the width is multiply to $4$, to find the rectangle's width.

Therefore,

New Width=$4*4=16$ inches.

Answer:

The answer is option b)16 inches.