Metric units of measurement differ by powers of 10 - 10, 100, 1,000, and so on. Thus, converting from one metric unit to another is always accomplished by multiplying or dividing your initial measurement by the appropriate power of ten.
1: if u use the same measures they will be congruent angles. 2: because the segment is being cut in half. 3: their has to be an intersection in the arcs<span />
