What is the area of a 43mm circle?

What the approximate surface of the cylinder if the circles have a diameter of 20 cm? Why normal distribution curve do not touch each other? What is the word for words you can spell backwards and forwards and it's the same word? Is 1.234 rational? How many times is the word content used in the Old Testament? What is 5 and 2 5nth divieded by 3? What is the sum of the three interior angles of a triangle? What is the function of aircooler? What is an adionatic expression? Is zero the first even number? What is the ratio that defines the cosine of an acute angle of the right angle? How do you spell the numbers 1 to 321406795058714? 24.241 24.140 24.214 24.104 put in order from least to greatest? Does a curved line have a fixed value for its slope in economics? How many lines of symmetry does the letter 'M' and 'E' have? How many times does 28 go into 71? How many hours does a hairdressers do a day? Does isosceles triangle has how many edges? What is 6.31 rounded to the nerest tenth? How old in years will husband 69 son 5 and myself 63 be when ages add up to150 How do you write an equation for this answer?