If you pick up your pencil and draw a picture of these vectors, you'll see that they form a right triangle. Its hypotenuse is the resultant vector.
Length of the resultant = √ ( |X|² + |Y|² )
= √ (48² + 14²)
= √ (2,304 + 196)
= √ 2,500 in²
= 50 inches
