1 Answer

Sam Tyson · Answer 1 · 2021-10-26T22:28:14+0000

Answer:

Explanation:

taking A(3, 3), B(6, 6), C(9,3) and D(6,0)

we have:
$y_A=y_C\quad and\quad x_B=x_D$ so the AC and BD are diagonals, that means:

AB = BC = CD = DA = s

$s=√((6-3)^2+(6-3)^2)=√(3^2+3^2)=√(18)\\\\\\A=s^2=(√(18))^2=18$

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