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28 May, 14:58

If the length of the rectangle is 15 units long and the width is 11 units long, how long is the diagonal

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  1. 28 May, 15:03
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    18.6 units

    Step-by-step explanation:

    A rectangle is a four sided shape with 4 perpendicular angles. It has two pairs of parallel sides which are equal in distance: width and length. A diagonal can be drawn between opposite corners that splits the triangle into two equal right triangles. The distance of this diagonal is found using the Pythagorean Theorem a² + b² = c². In the rectangle a = 11 and b = 15. Substitute these values and simplify using a square root operation.

    11² + 15² = c²

    121 + 225 = c²

    346 = c²

    √346 = c

    18.6 = c
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