what is the length of ? 2 units 3 units 6 units 9 units; what is sa? 2 m 3 m 4 m 6 m; what is the value of t? 2 3 6 8; if v is the midpoint of qs and w is the midpoint of rs then what is vs; what is the value of y? 2 5 7 8; if and cx = 5 units, what is dz? 2 units 3 units 4 units 5 units; points a and b are midpoints of the sides of triangle qrs. what is sa? 2 m 3 m 4 m 6 m; what is ax? 2 units 4 units 6 units 8 units