(C)300%33. The area of the shaded region in thegiven figure is [SSC Co

1.	(C)300%33. The area of the shaded region in thegiven figure is [SSC Constable, 2013145°45°(a) a (T -1) sq units(b) (T -2) sq units(c) a2 (n -2) sq units(d) ( 1 sq units34. A street of width 10 m surroundsfrom outside a rectangular gardenwhose measurement is200 m x180 m. The area of thepath (in sq m) isSSC Constable, 201(a) 8000 (b) 7000 (c) 7500 (d) 8200
Answer» ABC is isosceles where BC=AC and ang.C=90°By Pythagoras theorem, BC=√2a.therefore,area = πa²/2 - 1/2x√2ax√2a= πa²/2 - a²=a²/2(π-2) sq units ANSWER IS . OPTION NO IS 2.. 2 IS THE CORRECT ANSWER

(C)300%33. The area of the shaded region in thegiven figure is [SSC Constable, 2013145°45°(a) a (T -1) sq units(b) (T -2) sq units(c) a2 (n -2) sq units(d) ( 1 sq units34. A street of width 10 m surroundsfrom outside a rectangular gardenwhose measurement is200 m x180 m. The area of thepath (in sq m) isSSC Constable, 201(a) 8000 (b) 7000 (c) 7500 (d) 8200

Answer»

ABC is isosceles where BC=AC and ang.C=90°By Pythagoras theorem, BC=√2a.therefore,area = πa²/2 - 1/2x√2ax√2a= πa²/2 - a²=a²/2(π-2) sq units

ANSWER IS . OPTION NO IS 2.. 2 IS THE CORRECT ANSWER