1.

So that points A(-2,3), B(-4,-4), (13,-2), 0(5,5)are the vertes Rombous A, B; C, D ? ​

Answer»

Answer:

ANSWER

AB=

(3−2)

2

+(4+1)

2

=

1+25

=

26

BC=

(−2−3)

2

+(3−4)

2

=

25+1

=

26

CD=

(−3+2)

2

+(−2−3)

2

=

1+25

=

26

DA=

(−3−2)

2

+(−2+1)

2

=

25+1

=

26

AC=

(−2−2)

2

+(3+1)

2

=

16+16

=

32

BD=

(−3−3)

2

+(−2−4)

2

=

36+36

=

72

Now we can see that

AB=BC=CD=DA=

26

units but DAIGONALS AC

=BD

=> ABCD is a quadrilateral whose all sides are EQUAL but diagonals are not equal.

=> ABCD is a rhombus, not a square.

Area of rhombus ABCD =

2

1

× (Product of diagonals)

=

2

1

×(AC×BD)

=

2

1

×(

3

2×

7

2)

=24 sq.units


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