Excel macros. Class into 3 groups

Classify the following triangle check all that apply

Which of these triangle pairs can be mapped to each other using two reflections?

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?