Question

hello I'll mark you as brainlest sir/madam​

Answer 1

Here is your answer,

Length of a hall = 16m

Breadth of a hall = 12m

(There is a margin of 1 m all around so, )

New length = 14 ( 16 - 1 - 1 )

New breadth = 10 ( 12 - 1 - 1 )

Area = Length × Breadth

= 14 × 10

= 140

Cost = 140 × 615

= 86100 rs

Hope it helps you..!!

Answer 2

Step-by-step explanation:

follow me mate plzzzzzzz