If two angles of a triangle each measure 54 what is the measure of the third angle

What is the range? can’t seem to find it out

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose