23.
Draw the graph of the polynom
Show that the points (-2,-1), (1.0). (4.3) and (1,2) taken in order are
the vertices of a parallelogram.
Answers
Answered by
1
Step-by-step explanation:
A(−2,−1),B(1,0),C(4,3) and D(1,2)
A quadrilateral is a parallelogram if the opposite sides are equal.
∴AB
2
=(−2−1)
2
+(−1−0)
2
=9+1
=10
BC
2
=(4−1)
2
+(3−0)
2
=9+9
=18
CD
2
=(1−4)
2
+(2−3)
2
9+1
=10
AD
2
=(−2−1)
2
+(−1−2)
2
=9+9
=18
∴AB=CD=
10
and BC=AD=
18
∴ The opposite sides of the quadrilateral ABCD are equal, the four points from a parallelogra
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