kkpowell
22.10.2019 •
Mathematics
Rectangle a measures 30 inches by 21 inches. rectangle b is a scale of copy of rectangle a. what is the measure of the lenght of the side that is missing in rectangle b?
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Ответ:
7 inches
Step-by-step explanation:
First, you must find out how many times bigger rectangle A is than rectangle B. We can write this as 30 ÷ s = 10. We can easily see that s = 3, so A has to be 3 times bigger than B. To find the missing side, divide 21 by 3:
21 ÷ 3 = 7 inches
Ответ:
Have a good day