Question

The walls around a playground measure 410 m. If one wall along the length of the playground is 80 m long, what is the length of the wall along its breadth? What is the area of the playground?​

Answer 1

Answer:

410=2l+2b=2*80+2b

2b= 410-160=250

b=125

area=125*80 = 10,000m^2