Question

co-ordinate of some pairs of points are given below hence find the distance between each pair
( 1 ) 3,6
( 2 ) -9,-1
( 3 ) -4,5
( 4 ) 0, -2
( 5 ) x+3,x-3
( 6 ) -25,-47
( 7 ) 80,-85











9th standard
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Answer 1

Answer:

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Step-by-step explanation:

i. Co-ordinate of first point is 3. Co-ordinate of second point is 6. Since, 6 > 3 ∴ Distance between the points = 6 – 3 = 3 ii. Co-ordinate of first point is -9. Co-ordinate of second point is -1. Since, -1 > -9 ∴ Distance between the points = -1 – (-9) = -1 + 9 = 8 iii. Co-ordinate of first point is -4. Co-ordinate of second point is 5. Since, 5 > -4 ∴ Distance between the points = 5 – (-4) = 5 + 4 = 9 iv. Co-ordinate of first point is 0. Co-ordinate of second point is -2. Since, 0 > – 2 ∴ Distance between the points = 0 – (-2) = 0 + 2 = 2 v. Co-ordinate of first point is x + 3. Co-ordinate of second point is x – 3. Since, x + 3 > x – 3 ∴ Distance between the points = x + 3 – (x – 3) = x + 3 – x + 3 = 3 + 3 = 6 vi. Co-ordinate of first point is -25. Co-ordinate of second point is -47. Since, -25 > -47 ∴ Distance between the points = -25 – (-47) = -25 + 47 = 22 vii. Co-ordinate of first point is 80. Co-ordinate of second point is -85. Since, 80 > -85 ∴ Distance between the points = 80 – (-85) = 80 + 85 = 165

Answer 2

Answer:

i. Co-ordinate of first point is 3. Co-ordinate of second point is 6. Since, 6 > 3 ∴ Distance between the points = 6 – 3 = 3

ii. Co-ordinate of first point is -9. Co-ordinate of second point is -1. Since, -1 > -9 ∴ Distance between the points = -1 – (-9) = -1 + 9 = 8

iii. Co-ordinate of first point is -4. Co-ordinate of second point is 5. Since, 5 > -4 ∴ Distance between the points = 5 – (-4) = 5 + 4 = 9

iv. Co-ordinate of first point is 0. Co-ordinate of second point is -2. Since, 0 > – 2 ∴ Distance between the points = 0 – (-2) = 0 + 2 = 2

v. Co-ordinate of first point is x + 3. Co-ordinate of second point is x – 3. Since, x + 3 > x – 3 ∴ Distance between the points = x + 3 – (x – 3) = x + 3 – x + 3 = 3 + 3 = 6

vi. Co-ordinate of first point is -25. Co-ordinate of second point is -47. Since, -25 > -47 ∴ Distance between the points = -25 – (-47) = -25 + 47 = 22

vii. Co-ordinate of first point is 80. Co-ordinate of second point is -85. Since, 80 > -85 ∴ Distance between the points = 80 – (-85) = 80 + 85 = 165