The figure shows a rectangular field EFGH. Mike walked from E to F to G to H and he covered a distance of 57m. Sandy walked from F to G to H to E and she covered a distance of 48m. What is the perimeter of the field?
Some construction work was undertaken to the same field and a semi-circular part was removed from it. What is the perimeter of the field after the construction? (Take π = 227)
Level 3
The figure shows a rectangular field EFGH. Mike walked from E to F to G to H and he covered a distance of 57m. Sandy walked from F to G to H to E and she covered a distance of 48m. What is the perimeter of the field?
Some construction work was undertaken to the same field and a semi-circular part was removed from it. What is the perimeter of the field after the construction? (Take π = 227)
Level 3
A construction worker welded 3 pipes of length 2 m 10 cm each together. This new pipe was only 35 of the length he needed. How long was the pipe he needed?
Level 3
Mr Lim employed some welders and painters for his construction site. A painter was paid $20 a day and a welder was paid $35 a day. Given that he employed 4 times as many welders as painters and a total of $1280 was paid to these workers for the day, how many more welders than painters did Mr Lim employ for his site?
