Question

FInd the length of a segment that has endpoints H(2,-3) and J(12,7)

A.20
B.10 Sqaure root of 2
C. 4 square root of 2
D.40
Please explain how you got the answer that would help me a lot.

Answer 1

B

Explanation:

hj = √( (12-2)^2 + (-3-7)^2 )

= √(100 + 100)

= √200

= 10√2

Answer 2

d =sqrt ((x2-x1)^2 +(y2-y1)^2)

sqrt((12-2)^2 +(7--3)^2)

sqrt(10^2+10^2)

sqt(100+100)

sqrt(200)

sqrt(100)sqrt(2)

10sqrt(2)

Choice B