Find the perimeter and area of each rectangle

What is the measure of ac? 5 units 13 units 26 units 39 units

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.