p(a/2,4) is the midpoint of seg AB joining the points A(-6,5)and B(-2,3) find the value of A
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Answered by
60
Answer:
Explanation:
Given :
- Point P is the midpoint of seg AB.
- P(a/2 , 4) , A(-6 , 5) & B(-2 , 3).
To Find :
- The value of a.
Solution :
Given, P(a/2 , 4) , A(-6 , 5) & B(-2 , 3).
Here,
- x = a/2
- y = 4
- x1 = -6
- y1 = 5
- x2 = -2
- y2 = 3
Given that, Point P is the midpoint of seg AB.
Applying midpoint formula,
x = x1 + x2/2 & y = y1 + y2/2
We need to find the value of a, So ;
• x = x1 + x2/2
=> a/2 = -6 + (-2)/2
=> a/2 = -6 - 2/2
=> a/2 = -8/2
=> a/2 = -4
=> a = -4 × 2
=> a = -8
Hence :
The value of a is -8.
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20
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