Question

the sides of a rectangle are 12 cm and 5 cm respectively find the length of its diagonal by constructing rectangle​

Answer 1

Answer:

13 cm

Explanation:

See attachment for rectangle.

In ∆BCD by Pythagoras' Theorem,

BC^2 + CD^2 = BD^2

$= > {bd}^{2} = {12}^{2} + {5}^{2} \\ = > {bd}^{2} = 144 + 25 \\ = > {bd}^{2} = 169 \\ = > bd = \sqrt{169} = 13$

Therefore, diagonal of rectangle is 13 cm.

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