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24-09-2020
Mathematics

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M is the midpoint of segment GR. G has coordinates (11,-5) and M is (4,-4) Find the coordinates of R

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mhanifa mhanifa

24-09-2020

Answer:

(3, -3)

Step-by-step explanation:

Given:

G = (11,-5)
M = (4,-4)
R = ?

Solution

R(x, y)

As per midpoint formula;

4 = (11 + x)/2 ⇒ x + 11 = 8 ⇒ x = 3
-4 = (-5 + y)/2 ⇒ y - 5 = -8 ⇒ y = -3
R = (3, -3)

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