The sum of the measures of the interior angles of a triangle is equal to _____. A) 90. B) 180. C) 270. D) 361
2 answers:
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Answer:
M(5,2)
Step-by-step explanation:
We use the midpoint rule:
We just have to find the arithmetic mean of the x and y-coordinates.
The endpoints of CD are given as C(3,−5) and D(7, 9).
We substitute these values to get:
Therefore the coordinates of the midpoint M of CD are (5,2)