Question

can anyone answer this 6th question ........

Answer 1

shorter side = 90 m
longer side = 90+ 30 =120 m
diagonal=90+60= 150


hope you got it

Answer 2

Solution:-
Let the shorter side of the rectangular field be 'x' meters.
Therefore the longer side will be (x + 30) meters.
And the length of the diagonal will be (x + 60) meters.
Now, according to the question
The diagonal divides the rectangular into two right angled triangles and the diagonal is the common side of the two triangles and it is also the longest side of the triangles i.e. the hypotenuse.
So, by Pythagoras Theorem,
(Diagonal)² = (Smaller Side)² + (Longer Side)²
(x + 60)² = (x)² + (x + 30)²
x² + 120x + 3600 = x² + x² + 60x + 900
x² + 60x - 120x + 900 - 3600 = 0
x² - 60x - 2700 = 0
x² - 90x + 30x - 2700 = 0
x(x - 90) + 30(x - 90) = 0
(x - 90) (x + 30) = 0
x = 90 because x = - 30 as length cannot be possible.
So the length of the shorter side is 90 meters and the length of the longer side is 90 + 30 = 120 meters.
Answer.

Hope it helps!!

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