1. An orange is peeled . 18 identical sectors are found . What angle do does each semicircular surface make with another in a whole Orange. 2. There are two points on the globe , A ( 20°S,35°W) and B(20°S, 15°E). What is the longitudinal difference between the two points.​

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?