Answer:
A
Step-by-step explanation:
6^2+11^2 = c^2
Since this is a right triangle, we can use the Pythagorean theorem
a^2+b^2 = c^2 where a and b are the legs and c is the hypotenuse
let, the days for 10 men be x
so 10 men can complete the same work in 90days.
Hope it helps.
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