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danidavis2002
28.07.2019 •
Mathematics
3. find the midsegment of triangle bcd, which is parallel to bc. label the endpoints of the midsegment as e and g. what are the coordinates of e and g? show work verifying that eg and bc are
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Ответ:
midpoints of BD and CD. So
Midpoint BD:
((-3 + -1)/2, (1 + -3)/2) = (-4/2, -2/2) = (-2,-1)
Midpoint CD:
((3+ -1)/2, (3 + -3)/2) = (2/2, 0/2) = (1, 0)
So the coordinates of E & G are (-2,-1) and(1,0) respectively.
Segment EG will be parallel to segment BC if they have the same slope. So
Slope BC:
(3 - 1)/(3 - -3) = 2/6 = 1/3
Slope EG
(0 - -1)/(1 - -2) = 1/3
Since both EG and BC have the same slope, they are parallel.
Ответ:
48 units squared
Step-by-step explanation:
you multiply the height (4) and the length (12)