What is the forth vertex of square with verticals at 1,-4,-6,-4,-6,3

Tiara buys the pizza shown below: a circular pizza is shown. the edge of one slice is marked ab. what does the curve ab represent?

The conversion factor relating feet to meters is 1 ft=0.305 m. keep in mind that when using conversion factors, you want to make sure that like units cancel leaving you with the units you need. you have been told that a certain house is 164 m2 in area. how much is this in square feet?

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?