# Find the length of the diagonal of a rectangle whose sides are 12 cm and 5 cm.

ABCD is a rectangle

In ΔABC using pythagorous theorem,

AC2 = AB2 + BC2

AC2 = 122 + 52

AC2 = 144 + 25

AC2 = 169

AC =

AC = 13cm

Therefore length of diagonal is 13cm.

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RELATED QUESTIONS :

Which of the following statements are true for a rhombus?

(ii) It has two pairs of equal sides.

(iii) It has only two pairs of equal sides.

(iv) Two of its angles are at right angles.

(v) Its diagonals bisect each other at right angles.

(vi) Its diagonals are equal and perpendicular.

(vii) It has all its sides of equal lengths.

(viii) It is a parallelogram.