879 times 8 = 7,032
For estimating, you would first round 879 up to 900.
900 times 8 = 7,200
The midpoint is just the average of the endpoint coordinates.
(6,6)=((8+x)/2, (9+y)/2)
(12,12)=((8+x), (9+y))
(4,3)=(x,y)
So the coordinates of R are (4,3)
Answer:
43 faces
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