Solve for x. Assume that lines which appear to be diameters are actual diameters.
6)
80°
x + 73
130°
85°

it is true

step-by-step explanation:

all the combinations add up i used   calculator

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.