Question

Saroja and Kavita like to keep themselves fit their job daily in more in the morning Saroja jogs around a rectangular Park of dimensions (xy + yz) n and (xy - yz) m. Kavita jogs around square Park of Side(2x+ 3y)m.
how much distance does saroja cover in 5 rounds.?
how distance does kavitha cover in 1 round?
find the area of each park?

Answer 1

Saroja covers 20xy and Kavitha covers 8x+12y
Area of rectangle park is above in pic
And of square is
$4 {x}^{2} + 9 {y}^{2} + 12xy$