Analyze the diagram below ad complete the instructions that follows. identify a pair of vertical angles in the figure.
a) ace and bce b) fce and eca c) dfh and gfh d) gfh and efc

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.