Question

a path 4 metre wide runs along inside a square Park of side 8o m find the area of a path also find the cost of cementing it at rupees 220 per metre square ​

Answer 1

Step-by-step explanation:

first of all make square then find its area like

80×80=6400

the subract 4 from all side than

80-16=64m

now find area of square after sub all side

64×64=4096

then sub area of square - area of path the multiply it with 220

6400-4096=2304

now cost for cmenting square

2304×220=506880