Yes, you have enough wrapping paper to wrap the cereal box.
To determine if you have enough wrapping paper to wrap the cereal box, you need to find the surface area of the box and compare it to the area of the square sheet of wrapping paper. The surface area of the cereal box can be found by adding up the areas of all six sides. In this case, the surface area of the box is 2(30 * 40) + 2(30 * 5) + 2(40 * 5) = 2400 + 300 + 400 = 3100 square centimeters. The square sheet of wrapping paper has an area of 60 * 60 = 3600 square centimeters. Since the surface area of the cereal box is less than the area of the wrapping paper, you have enough wrapping paper to wrap the box.
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Answer:
Scale Factor is: When you divide the old shape by the new shape (explanation is here)
Step-by-step explanation:
When you have 2 shapes (lets say Y is the old shape and F is the new shape) you would divide the old shape (Y) by the new shape (F)
Another example: lets say shape F is 12 cm and shape Y is 7 cm (F being the old and Y being the new shape) you would divide 12 and 7 to get the answer to that problem
how am i meant to know if i cant see?
Answer: (or )
Step-by-step explanation:
The area of a rectangle can be calculated with the following formula:
Where "l" is the lenght and "w" is the width.
In this case we know that the length of a flowerbed is 4 times as long as its width. This can be expressed as:
We know that the width of the flowerbed is:
Therefore, substituting the width into , we get that the length is:
Finally we can substitute the width and the lenght into the formula for calculate the area of a rectangle:
(or )