In an absolute value function if a < 0, does the graph open up or down?

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

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy