barstr9146
27.07.2019 •
Mathematics
What are the coordinates of the endpoints of the midsegment for △lmn that is parallel to ln¯¯¯¯¯ ? enter your answers, as a decimal or whole number, in the boxes. ( , ) and ( , ) a triangle l m n is graphed on a coordinate plane. the horizontal x-axis ranges from 0 to 7 in increments of 1. the vertical y-axis ranges from 0 to 6 in increments of 1. the vertex labeled as l lies at begin ordered pair 0 comma 5 end ordered pair. the vertex labeled as m lies at begin ordered pair 6 comma 4 end ordered pair. the vertex labeled as n lies at begin ordered pair 0 comma 2 end ordered pair.
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Ответ:
The midsegment of a triangle is a line connecting the midpoints of two sides of the triangle. So a triangle has 3 midsegments. Since you want the midsegment that's parallel to LN, we need to select the midpoints of LM and MN. The midpoint of a line segment is simply the average of the coordinates of each end point of the line segment. So:
Midpoint LM:
((0+6)/2, (5+4)/2) = (6/2, 9/2) = (3, 4.5)
Midpoint MN:
((6+0)/2, (4+2)/2) = (6/2, 6/2) = (3, 3)
So the desired end points are (3, 4.5) and (3, 3)
Ответ:
Step-by-step explanation:
(a)
ca/pq is 21/28 which is 3/4
ab/qr is 24/32 which is 3/4
cb/pr is 12/16 which is 3/4
(b)
angle p is about angle c
angle q is about angle a
angle r is about angle b
(c)
Triangle PQR and Triangle CAB are similar