A circular ground whose diameter is 35 metres, has a 1.4 metre-broad garden around inside of it. What is the area of the garden in square metres?
Choose the most appropriate option
A) 301.5	B) 484.12	C) 401.84	D) 301.0	E) 301.84
Req. area = Ï€[(35)2 â€“ (33.6)2]   = 22â„7 Ã— (68.6 Ã— 1.4)[since a2 - b2 = (a + b)(a - b)]   = (22 Ã— 68.6 Ã— 0.2 = 301.84 sq m.   Answer 301.84
<result>E</result>
A circular ground whose diameter is 35 metres, has a 1.4 metre-broad garden around inside of it. What is the area of the garden in square metres?