Question

A window pane is in the shape of regular octagon . Find the cost of polishing the window pane at rs2.50 per metre square .

Answer 1

As it is a regular octagon

Area = 2(1+root2)7msq.
=2(1+root2)49m
=236.592msq.

For 1msq.=Rs. 2.50

For 236.592m sq.= 2.50X236.592m
=Rs.591.48

So,Rs.591.48 is the cost of polishing the window pane.

Answer 2

Step-by-step explanation:

please mark as brainliest and follow me and give me thanks