Question

find the cost of painting a wall of length 80m and breadth 15m at rs15 per sq.m.​

Answer 1

Answer:

first find area

area of rectangle is l*b

80*15=1200m square

cost = 15*1200=18000

Answer 2

Answer:

length 80m

breadth 15m

area l×b

80×15

= 1200m²

cost of painting per sq m = ₹15

cost painting whole wall = 1200×15

=₹18000