The dimensions of a photographs are 30 cm × 20 cm. What length of wooden frame is needed to frame the picture?

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To find the length of the wooden frame needed to frame the picture, we need to calculate the perimeter of the photograph, which will give us the total length of the frame required. The perimeter PP of a rectangle is calculated by adding the lengths of all four sides. Given that the dimensions of the...
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To find the length of the wooden frame needed to frame the picture, we need to calculate the perimeter of the photograph, which will give us the total length of the frame required. The perimeter PP of a rectangle is calculated by adding the lengths of all four sides. Given that the dimensions of the photograph are 30 cm by 20 cm, the perimeter PP is: P=2×(length+breadth)P=2×(length+breadth) P=2×(30cm+20cm)P=2×(30cm+20cm) P=2×50cmP=2×50cm P=100cmP=100cm This gives us the total perimeter of the photograph, which is 100 cm. Since the wooden frame will be placed around the entire perimeter of the photograph, the length of the wooden frame needed will be the same as the perimeter of the photograph. Therefore, the length of the wooden frame needed to frame the picture is 100 cm. read less
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