In a rectangular coordinate system, what is the area of a rhombus whose vertices have the coordinates (0, 3.5), (8, 0), (0, -3.5), (-8, 0)?
Options.
A) 56	B) 88	C) 112	D) 116	E) 120
56rea of rhombus= 1/2* D1 *D2   Length of 1st diagonal = 8+8= 
<gadget id="calculator">8+8</gadget>
<output>16</output>
16   Length of 2nd diagonal= 3.5+3.5= 
<gadget id="calculator">3.5+3.5</gadget>
<output>7</output>
7   56rea= 1/2*16*7= 
<gadget id="calculator">1/2*16*7</gadget>
<output>56</output>
56   56 is the answer
<result>A</result>
In a rectangular coordinate system, what is the area of a rhombus whose vertices have the coordinates (0, 3.5), (8, 0), (0, -3.5), (-8, 0)?