The formula for finding the perimeter of a rectangle is P = 2 × l + 2 × w. For which of the following quadrilaterals could you NOT use this formula to find its perimeter?
A.

Parallelogram
B.

Rhombus
C.

Square
D.

Trapezoid

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label