Question

Q1.find the length
of the diagnal of a
Rectangle whose sides are 12 cm and 5cm
phythagerous.
​

Answer 1

Thus, length of the diagonal is 13 cm .

Answer 2

Explanation:

Answer:

The diagonal of a rectangle is 13cm.

Step-by-step explanation:

Consider the provided information.

It is given that, the length of a rectangle is 12cm and the breadth of a rectangle is 5cm.

And we need to find out the diagonal of a rectangle.

As we know that, the diagonal of a rectangle is always greater then other two sides. i.e.,

In a rectangle, The square of diagonal side of rectangle is equal to the sum of squares of the other two sides.

We know that,

Diagonal = √[(Length)² + (Breadth)²].

By using the formula and substituting all the given values in the formula, we get.

$= \sqrt{ {(12)}^{2} + {(5)}^{2} }= </p><p>(12) </p><p> ^{2} </p><p> +(5) </p><p> ^{2} </p><p>$

$= \sqrt{144 + {(5)}^{2} }= </p><p>144+(5) </p><p> ^{2} </p><p>$

$= \sqrt{144 + 25}= </p><p>144+25</p><p>$

$= \sqrt{169}= </p><p>169</p><p>$

= 13=13

Hence, the diagonal of a rectangle of 13cm.

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