Based on the markings in the diagram, which conclusion must be true?
a) ac = ap
b) ac = bc
c) δabc is scalene
d) δabc is equilateral

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