superfluous details (Question: 257198.0 )

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nilesh

· started a discussion

· 1 Months ago

superfluous details (Question: 257198.0 )

half the details given in the question are superfluous
you can directly jump to the last step as you know the length of the rope and measure of angle of square

Question:

Two goats are tethered to the diagonally opposite vertices of a square field formed by joining the mid-points of the adjacent sides of another square field of side $40 \sqrt{2}$ metres. The inner square field is fenced on all sides and the goats are allowed to graze only inside the inner field. If their grazing ropes are of a length of $20 \sqrt{2}$ metres each, find the total area grazed by the two goats together.

Options:

400 $π$ $m^{2}$

100( $\sqrt{2} - 1$ ) $π$ $m^{2}$

100 $π$ ( $\sqrt{3} - 2$ ) $m^{2}$

200 $π$ ( $2 - \sqrt{2}$ ) $m^{2}$

Solution:

Ans: (a)

isha mishra

· commented

· 1 Months ago

Yup! after all that's what they want...to distract the student

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superfluous details (Question: 257198.0 )

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