antonypaz6583
19.11.2019 •
Mathematics
A(1, -3) b (1, 0) c (4, 2) parallelogram abcd has the coordinates: find the coordinates of point d.
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Ответ:
(4,-1)
Step-by-step explanation:
Given
3 Co-ordinates of a parallelogram ABCD
A=(1,-3)
B=(1,0)
C=(4,2)
D=(a,b)
One of the property of a parallelogram is that the diagonals bisect each other
In this case, AC and BD bisect each other, Therefore the middle point of AC and BD coincide
⇒Mid-point of AC= Mid-point of BD
(mid point of 2 points (x,y) and (k,l) is )
Compare x and y co-ordinates on both sides
⇒
a=4
⇒
b=-1
Therefore D=(4,-1)
Ответ:
Step-by-step explanation:
When you want to solve something that has a negative exponent, turn it into a fraction.
a^-6
=
If you knew the value of a, you would solve it completely.