The dimensions of a prayer hall are (20×15×8) m . Find the cost of painting its walls at Rs 10per m^2
Answers
Answered by
1
Answer:
Area to be painted = area of 4 side walls + area of ceiling or the top of the hall
Area to be painted = 2h(l+b) + lb
= 2 × 8 (20+15) + 20× 15
= 16 × 35 + 20 ×15
= 560 + 300
= 860 m2
cost of paintind 1m2 =Rs 15
cost of painting 5100m =860 × 15 = Rs 12,900
Similar questions