The number of fish in a lake decreased by 20% between last year and this year. Last year there were 75 fish in the lake. What is
1 answer:
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We can see that two sides of that triangle area equal
so, their corresponding angle will also be equal
now, we know that
sum of all angles in any triangle is always 180
so, we can get equation as
now, we can solve for x
so, option-C..............Answer
