Question on: JSS1 Mathematics - Properties of Figures

Explain how the properties of a rectangle can be used to determine the length of its diagonals, and provide a step-by-step method to calculate them.

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In a rectangle, the diagonals are equal in length and bisect each other at right angles.ย 

To find the length of the diagonal ๐‘‘ of a rectangle with sides ๐‘Ž and ๐‘, you can use the Pythagorean theorem:ย 

๐‘‘=๐‘Ž2+๐‘2.ย 

This formula derives from considering the rectangle as two right triangles with sides ๐‘Ž, ๐‘, and diagonal ๐‘‘.

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