Question

Quadrilateral ABCD with vertices A(4, 3), B(4, -2), C(-4, -2) and D(-4, 3) is a rectangle, find the length of the diagonals.
answer:
sqrt 89
5
8
sqrt 39

Answer 1

For right angle triangle ADC,
find distance between AD and DC
\[(AD)^2 + (DC)^2 = (AC)^2\]

or simply find AC and BD

Answer 2

\[(8)^{2}+(5)^{2}=(9.43)^{2}\]

Answer 3

@sangya21 is this correct?

Answer 4

is the answer \[\sqrt{89}\]

Answer 5

wow just wow thanks alot! >:(

Answer 6

Yes it is.
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