A multiple in math is like 9: 9,18,27,36,45,54 or like 2:2,4,6,8,10,12,14
B - check your answers and present the solution
Use the Pythagorean Theorem to find the diagonal of the rectangle.
The diagonal of the rectangle is the diameter of the circle.
Diameter (d) = 2 · radius (r)
Circumference (C) = 2· π · r → π · d
Addition/Subtraction and. Multiplication/ Division ... So checking one operation with its opposite is a good way to help verify your answer.
