Question

quick help on a quick question!

Answer 1

@perl

Answer 2

the diagonals are equal to each other, so...
2(5a + 1) = 2(a + 1)

Answer 3

so zero???

Answer 4

or 2

Answer 5

10a + 2 = 2a +2
8a = 0
a = 0

So length of diagnomal
2(5(0) + 1)
2(0 + 1)
2

Answer 6

you are correct. a= 0, and diagonal = 2

Answer 7

but i only can put in 1 answer

Answer 8

the answer is 2

Answer 9

ok! :) thanks

Answer 10

You're welcome