Question

5. Segment A' B' is parallel to segment AB.
a. What is the length of segment A' A?
b. What is the length of segment B' B?

Answer 1

Answer:

A=(−1,3),B=(4,−9)

We know that the distance between two points

d=

(x

2

−x

1

)

2

+(y

2

−y

1

)

2

Therefore,

d=

(4−(−1))

2

+(−9−3)

2

d=

(4+1)

2

+(−12)

2

d=

(5)

2

+(−12)

2

d=

25+144

d=

169

d=13 units