Question

A path 5 m wide runs along inside a square park of side 100 m. Find the area of the
path
A painting is painted on a cardboard 8 cm long and 5 cm wide such that there is a
margin of 1.5 cm along each of its sider Find th​

Answer 1

Answer:

and 1 PQ = 100 -(5+5) = 90m

Area of ABCD = (side)2

= (100)2 sq. m = 10000 sq. m

Area of PQRS = (side)2

= (90)2 sq. m

= 8100 sq. m

∴ Area of path = (10000 – 8100) sq. m

= 1900 sq. m

10 m2 cementing = ₹250

∴ Expense on 1900 m2 cementing 250

= 250/10 x 1900

= ₹47,500