The width of a rectangular sheet of paper is 6dm and the length is 3 times the width. Find the area of a sheet of paper.
| April 10, 2021 | education
The task:
sheet width b – 6 dm,
sheet length a -? dm, 3 times the width,
sheet area S -? dm ^ 2.
Decision:
1) determine the length of the sheet:
a = 6 3 = 18 dm;
2) calculate the area of the sheet:
S = a b = 18 6 = 108 dm ^ 2.
Answer: the area of a sheet of paper is S = 108 dm ^ 2.
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