Question

14.   What's the length of a segment that begins at the point (2, 3) and ends at the point (18, 15)? 

A. 28   B. 18   C. 20   D. 15

Answer 1

20

Explanation:

d = √(xb - xa)2 + (yb - ya)2 =

= √(18 - 2)2 + (15 - 3)2 =

= √162 + 122 = √256 + 144 =

= √400

= 20