What is the area of a square field whose diagonal of length 24 m?  Choose the correct option.
A) 256	B) 289	C) 200	D) 288	E) 178
d2/2 = (24 * 24)/2= 
<gadget id="calculator">(24 * 24)/2</gadget>
<output>288</output>
288   Answer: 288
<result>D</result>
What is the area of a square field whose diagonal of length 24 m?