Case Study - Angle

Solve without applying the polygon formula

Q42

Case Studies

Q39

Rudi, Sam and Ted had 162 stickers altogether. Rudi gave 3/10 of his stickers to Sam and 1/4 of his stickers to Ted. After that, all three boys had the same number of stickers. Who had more stickers at first, Sam or Ted and how many more?

Q40

Q38

Q41

Drew has a box of yellow balls and a box of red balls. The number of yellow balls is thrice the number of red balls. Drew decided to remove 6 yellow balls and 4 red balls from the boxes each time to fill a separate bag.
After a few rounds, there were 66 yellow balls and 2 red balls left in the respective boxes.
How many balls did Drew have?

Q37