Question

The coordinates of the rectangle PQRS P(1,6) Q(1,2) R(9,2) and S(9,6). Show that the diagonals are equal in length

Answer 1

Use distance formula.

Answer 2

how to use it

Answer 3

Take 2 opposite points. Calculate distance between them.

Answer 4

of each one?

Answer 5

Do this for the remaining two points. Then you will see that they are of equal length.

Answer 6

You will only have to do it twice.

Answer 7

P Q R and S
?

Answer 8

Calculate distance PR and distance QS. Check if they are equal.

Answer 9

Im doing it now just a minute

Answer 10

ok i got 1.18 for QS I dont think i did it right idk

Answer 11

What did u get for PR?

Answer 12

I got 8.94 for both of them is that right

Answer 13

Yep. So diagonals are equal :)

Answer 14

thank you

Answer 15

yw :)