Question

my age is 16 iam intereseted in mobile reparing so iam open mobile repairing business at home at age 16 so i full gain knowledge

Answer 1

Explanation:

Let A(x

1

,y

1

)=(−1,−8),B(x

2

,y

2

)=(−4,−6) and C(x

3

,y

3

)=(2,−1) and D(x

4

,y

4

)=(−3,−3) be the vertices of a square.

∴ Distance between two points =

(x

2

−x

1

)

2

+(y

2

−y

1

)

2

AB=

(4+1)

2

+(−6+8)

2

=

25+4

=

29

units

BC=

(2−4)

2

+(−1+6)

2

=

4+25

=

29

units

CD=

(−3−2)

2

+(−3+1)

2

=

25+4

=

29

units

DA=

(−3+1)

2

+(−3+8)

2

=

4+25

=

29

units

AB=CD=BC=DA

Hence, the given points form a square.