To solve x + y given that x = 75.9 and y = 2.65. We will simply substitute the value of x in the equation with it value which is 75.9 and substitute the value of y in the equation with it value which is 2.65.
Lets say pi is 3.14 The area of a circle is: pi*radius squared The radius is half the diameter so it is 5 inches. 3.14*5 squared 2 3.14*25 78.5inches squared
