shahzeenwaqar1 shahzeenwaqar1

18-02-2020
Mathematics

contestada

‘A’ is the point ( 8 , 5 ) and ‘B’ is the point ( -4 , 1 ).

a. Calculate the length of AB.

b. Find the co-ordinates of the midpoint of AB.

Please answer fast

Respuesta :

sportscoco151 sportscoco151

18-02-2020

a. ((x2-x1)^2 + (y2-y1)^2)^(1/2)

(-4-8)^2 + (1-5)^2 144+16= 160

160^(1/2)= 12.64

b. (8-4)/2 & (5+1)/2

4/2=2 6/2=3

(2,3) is the midpoint of AB

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