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01.09.2020 •
Mathematics
7. Write and solve one or two mathematical sentences for the following problem.
The length of a crayon box base is 3 more than 4 times its width. If the perimeter of the
base of the crayon box is 21 centimeters, find the length and width.
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Ответ:
Step-by-step explanation:
20 times square root of 2.
The other leg, y is equal to 20 because in 45-45-90 triangles, the legs are congruent.. We can apply 45-45-90 rules to find x. The hypotenuse is sqr root of 2 times more than the legs, so the answer is 20 times square root of 2.