Watch video Use all three formula Simpson (1/3)rd, (3/8)th and waddles rule solve the example online without registration, duration 08 minute 44 second in high hd quality. This video was added by user EASY MATHS EASY TRICKS 21 May 2020, don't forget to share it with your friends and acquaintances, it has been viewed on our site 7 thousand once and liked it 99 people.