Question

plot the co-ordinator A(3,-5) , B(-3,-7) ,C(-3,7)​

Answer 1

Answer:

In this case it is a good idea to draw a quick sketch so that you can see what you are dealing with.We can use Pythagoras to solve this as appropriately projecting lines from any point will form a triangle. The vertical and horizontal lengths of which can be read of from the axis.

The distance between two points is

√

(

x

1

−

x

2

)

2

+

(

y

1

−

y

2

)

2

Let the distance between two points be

d

i

Distance between points A and B

d

1

=

√

[

3

−

(

−

3

)

]

2

+

[

7

−

5

]

2

d

1

=

√

36

+

4

=

√

2

2

×

10

=

2

√

10

Distance between points B and C

d

2

=

√

[

6

−

3

]

2

+

[

7

−

(

−

2

)

]

2

d

2

=

√

9

+

81

=

√

3

2

×

10

=

3

√

10

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Area

=

d

1

×

d

2

=

2

√

10

×

3

√

10

=

60

Step-by-step explanation:

i hope this answer will help you

see you soon

thanks

Answer 2

Answer

I hope this helps.