A factory was established with a cost of Rs.40,00,000 and earned Rs.32,00,000 in 3 years. Find the profit or loss if it is sold after 3 years at 20% compound depreciation per year.​

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.  

the answer is about 24 dollars

answer is  

minor arc – sw

major arc – stu

semicircle – wst

i got it down chief.