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frez [133]
3 years ago
10

40 POINTS!!! A square has a perimeter of 28 cm. All dimensions are increased by a scale factor of 3 to create a similar figure.W

hat is the area of the new figure?
Mathematics
1 answer:
Snezhnost [94]3 years ago
8 0

Answer:

The area of the new figure:

= 441 cm^2

Step-by-step explanation:

A square has a perimeter of 28 cm, so each side = 28/4 = 7 cm

All dimensions are increased by a scale factor of 3, so new dimensions of side will be 7 x 3 = 21 cm

The area of the new figure:

Area = (21)^2 = 441 cm^2

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