Answer:
My guess is 21
Step-by-step explanation:
Answer:
There is just one simple rules for find other side
Step-by-step explanation:
Think about a triangle and this triangle has 3 side it must have 90° on one edge. We assume the longest side is hipotenus x²+y²=hipotenus² . Look at your question hipotenus is 15 lets try to find other side. X²+12²=15² x=9
Answer:
Line UM.
Step-by-step explanation: you can name a line by naming at least two points on it.