There should be 283.9. (rounded to the nearest unit). :) <span />
Answer:
The estimated distance is 8.1cm.
The actual distance is 8.106cm.
Step-by-step explanation:
Given that the Pythogorean Theorem, c² = a² + b². Then substitute the following values into the formula :

Let a = 5.1cm,
Let b = 6.3cm,





Answer:
The perimeter is the length of the outline of a shape. To find the perimeter of a rectangle or square you have to add the lengths of all the four sides. x is in this case the length of the rectangle while y is the width of the rectangle. The perimeter, P, is: P=x+x+y+y.