cyaransteenberg
17.12.2020 •
Mathematics
A rectangular picture frame has a length of 20 inches and a width of 15 inches. The perimeter of the frame can be found using the formula 2l+2w, where l is the length and w is the width. What is the perimeter of the picture frame in inches
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Ответ:
2x + 40
Step-by-step explanation:
2x+4+x+10-x
= 2x + 40