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18 November, 11:47

A scale drawing of a square has a side length of 5 millimeters. The drawing has a scale of 1 mm : 5 km. Find the actual perimeter and area of the square.

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  1. 18 November, 12:03
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    Actual Perimeter = 100 km

    Actual Area = 625 km²

    Step-by-step explanation:

    A scale drawing of a square has a side length of 5 millimeters.

    The drawing has a scale of 1 mm : 5 km (which represents 1 mm is equal to 5 km)

    We need to find the actual measurement of 5 mm square on scale.

    1 mm = 5 km

    5 mm = 5 * 5 km

    = 25 km

    The actual length of the side of square is 25 km

    Now, we find the perimeter and area of the square.

    Perimeter of square = 4 * side

    = 4 * 25

    = 100 km

    Area of the square = side * side

    = 25 * 25

    = 625 km²

    Hence, The actual perimeter is 100 km and area of the square is 625 km²
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