The side legnth of a square is 11cm . Find the legnth of its diagonal correct to three decimal places.
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✪ Condition Mentioned :
Condition Used ✏ :
☞ Explanation :
➼ We can solve this question very simply.
➼ Just you should know that ;
➼ In a square a diagonal divides it into 2 congruent right angled triangles .
➼ Hence ,
➼The word right-angled triangle will actually state that we can use the pythagoran theorem here .
➼ So ;
➼ Actually the pythagoran theorem states that ;
➼ Hence ;
☆ Using the above condition;
➼ We can find the length of the diagonal .
➼ The condition in case of the square is instead of hypotenuse it is stated as diagonal.
So;
➼ The theorem condition will actually become
➼ Hence, By substituting the respective values we can find the length of the diagonal .
Solution ✍ :
Side of the square = 11 cm .
Condition to be used ;
Hence ;
However;
Therefore;
✅ Hence Solved.. ⇈
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