Pls help in Q 6 and Q 7 Pls help in Q 6 and Q 7 A boy Share with your friends Share 0 Rashi Lokwani answered this Dear Student, Answer 6: Length of rectangular garden (L) = 120mBreadth of rectangular garden (B)= 100mDistance covered by the boy in one round = Perimeter of the garden= 2(L+B)=2(120+100)=2 × 220=440 mNumber of rounds made by the boy = Total distance covered by the boyDistance covered in one round= 2200440= 5 Answer 7: Length of playground (L) = 75 m 20 cm = 75.2mBreadth of playground (B) = 34m 80cm = 34.8 mArea of playground = L × B = 75.2 × 34.8 = 2616.96 m2Perimeter of Playgound = 2(L+B) = 2( 75.2 + 34.8) = 2×110 = 220 m(i) Rate of levelling per square metre = Rs. 1.50Total cost of levelling the playground = Area of playground × Rate per sq m = 2616.96 × 1.50 = Rs. 3925.44 (ii) Distance covered by boy in 1 round of the playground = 220 mDistance covered by boy in 3 rounds of the playground = 220 m × 3 = 660 mSpeed of the boy = 1.5 metres per secondSpeed = Distance Time⇒Time = DistanceSpeed⇒Time = 6601.5=440 seconds Regards 0 View Full Answer
