What is the area of a square field whose diagonal of length 30 m? Choose the correct option
A) 300 sq m B) 250 sq m C) 200 sq m D) 400 sq m E) 800 sq m
d2/2 = (30 * 30)/2 = 300   300 sq mNSWER:300 sq m
<result>A</result>
What is the area of a square field whose diagonal of length 30 m?