Mark needs 36 inches of ribbon to go around the sides of the picture frame.
A rectangle is a 2-D shape with length and width.
The length and width are different.
If the length and width are not different then it is a square.
The area of a rectangle is given as:
Area = Length x width
We have,
The length of ribbon required to go around the picture frame is equal to the perimeter of the frame.
The perimeter of a rectangle is given by the formula:
= 2 (length + width)
= 2 (11 + 7)
= 2(18)
= 36 inches
Therefore,
Mark needs 36 inches of ribbon to go around the sides of the picture frame.
Learn more about rectangles here:
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idk
Step-by-step explanation:
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