Question

The points $A(-4,-1),B(-2,-4),C(4,0)$ and $D(2,3)$ are the vertices of

• A. square
• B. rectangle
• C. rhombus
• D. None of these

Answer 1

Answer: (B)

$AB=\sqrt{4+9}=\sqrt{13}$
$BC=\sqrt{36+16}=2\sqrt{13}$
$CD=\sqrt{4+9}=\sqrt{13}$
$AD=\sqrt{36+16}=2\sqrt{13}$
$AC=\sqrt{64+1}=\sqrt{65}$
$BD=\sqrt{16+49}=\sqrt{65}$
its rectangle