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eimsori [14]
3 years ago
14

The dimensions of a 7-cm by 2-cm rectangle are multiplied by 3. How is the area affected?

Mathematics
1 answer:
Soloha48 [4]3 years ago
3 0

Answer:

Original rectangle:  Since the area of a rectangle is the length * width, the area of this rectangle is 7 * 2 = 14 square cm.

New rectangle: The new dimensions of this are 7*3 = 21 cm by 2*3 = 6 cm.  To find the area, we multiply these two together.  21*6 = 126 square cm.

126 is 9 times greater than 14, so the area will be multiplied by 9.

Step-by-step explanation:

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