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Mathematics 15 Online
AlphaDog:

What will be the perimeter and the area of the rectangle below if it is enlarged using a scale factor of 4.5? (5 points) A rectangle is shown. The length of the rectangle is labeled as 8 cm, and the width is labeled as 6 cm. Perimeter = 46 cm, area = 131.25 cm2 Perimeter = 126 cm, area = 972 cm2 Perimeter = 46 cm, area = 972 cm2 Perimeter = 126 cm, area = 131.25 cm2

AlphaDog:

B?

snowflake0531:

If there is a scale factor of 4.5, it means that each length has to be multiplied by 4.5

snowflake0531:

so, if the length and width is 8 and 6, it would actually be 36 and 27

Tyrion:

u are korrekt it is b

snowflake0531:

so, the perimeter would be (36+27)2 = 126

snowflake0531:

36 times 27, the area, would be 972, so the second one

AlphaDog:

thanks again snowflake.

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