Question

find the length of the diagonal of a rectangle whose length is 40 m and breadth is 9 m​

Answer 1

Step-by-step explanation:

a rectangle can be divided into two right angles

where the diagonal is the hypotenuse of both the angles

using Pythagoras theorem,

side1^2 + side2^2 = hypotenuse^2

40^2 + 9^2 = hypotenuse^2

1600 + 81 = hypotenuse^2

1681 = hypotenuse^2

hypotenuse = √1681 = 41 m^2

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