What is the area of a square field whose diagonal of length 22 m? Pick:
A) 288
B) 289
C) 242
D) 112
E) 178
d2/2 = (22 * 22)/2= 
<gadget id="calculator">(22 * 22)/2</gadget>
<output>242</output>
242   Answer: 242
<result>C</result>
What is the area of a square field whose diagonal of length 22 m?