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Polygon c has an area of 7 square units Jennie drew a scaled version of polygon c and labeled it polygon d polygon d has an area of 28 square units what scale factor did jennie use to go from polygon c to polygon d

User Oddtwelve
by
4.6k points

2 Answers

0 votes

Answer:

2

Explanation:

khan academy

User Partho Biswas
by
5.0k points
4 votes

Answer:

The scale factor is equal to 2

Explanation:

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

Let

z ----> the scale factor

x ----> the area of polygon d

y ---> the area of polygon c

so


z^(2)=(x)/(y)

we have


x=28\ units\^(2)


y=7\ units\^(2)


z^(2)=(28)/(7)


z^(2)=4


z=2

therefore

The scale factor is equal to 2

User Mdec
by
5.2k points