The equation to find the area of a circle is pi*r^2. First, r^2 is 4^2 which is 16. Â Then times pi. Assuming pi in this case is 3.14, 3.14 times 16 is 50.24.
Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4