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7 + 7 + 7 + 7 = 28 cm
Perimeter: 4 times square root of (3.5^2+6^2) = 2 times square root of 193 in cm
Perimeter = 28 = 4s = 4 x 7 Therefore, each side is 7cm long Area = s x s = 7 x 7 = 49cm squared
The area is the side x side = 49 side = 7cm ( sqrt of 49) perimeter is some of sides = 7 + 7 + 7 + 7 = 28 cm
Assuming the object is a rectangle, the perimeter is (2 x 7cm) + (2 x 10 cm) = 34cm