Question

A square room of side 12m is to be surrounded by a verandah of width 3m. Find the cost of constructing the verandah at the rate of 24 sq.m.​

Answer 1

Step-by-step explanation:

the area of varanda=area of room with varanda-area of room

area of room =s*s

12*12

144

area of room with varanda=18*18

=324

area if varanda=324-144=180

the rate to construct the varenda=24

construction price=180*24=4320rupees

Answer 2

Answer:

₹ 4320

Step-by-step explanation:

Side of inner square =12m

Side of outer square = 12+3+3 m

=180m

Area of verandah = (324 -144) sq. m

=180m sq.

Cost of constructing verandah at the rate of 24 per sq. m =180 x ₹24

= ₹ 4320